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Weather in Mannum
South Australia, 33 m · continuously updated
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Temperature · last 4 and next 28 hours
Mannum weather: the next 24 hours
Updated hourly.
Mannum 14-day forecast
Two-week trend.
Sun and golden hours
Sunrise –, golden light until –
Sunset –, golden light from –
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Air quality
European index, modelled by Copernicus (CAMS).
UV index
Daily maximum — protection advised from 3.
Freezing level
Snow settles about 300 m below it.
Around Mannum
Neighbouring towns, as the crow flies.
The observed climate near Mannum
The weather station nearest to Mannum, Murray Bridge Comparison located 33 m above sea level, is 23 km away; its records cover 1886–2025. In November, the mean temperature there is 19.0 °C over 1991–2020, 0.7 °C more than over 1961–1990 (18.3 °C), with about 27 mm of rain. The warmest month ever measured is January 2001 (24.8 °C), the coldest July 1982 (9.2 °C). See the full series of Murray Bridge Comparison
Today in Mannum
- Very high UV index: 8.7 around 13:00. Stay in the shade between 12:00 and 18:00. Fair skin burns in about 23 minutes: avoid exposure, cover up and use SPF 50. How it is calculated
- Best time to air the house: between 12:00 and 15:00. The outdoor dew point drops to 5.7 °C; once warmed to 20 °C, that air holds only 39 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
- Washing outside: between 15:00 and 17:00. With 32 % humidity, 23.5 °C and wind at 11.4 km/h, a load of cotton washing dries in about 2 h. How it is calculated
- Garden: barely 0 mm of rain in 48 h against a need of about 10.5 mm. Water tomorrow, between 6:00 and 9:00, while it is cool: allow about 10 L/m². How it is calculated
- Terrace and barbecue between 18:00 and 23:00: dry, wind at 11 km/h, 16 °C at 8 pm. A lovely evening. How it is calculated
- Starry sky between 22:00 and 3:00: 10 % average cloud cover tonight, 5 h of clear sky in a row, moon at 14 % (waning crescent). A good night to look up. How it is calculated
Calculated from Open-Meteo forecasts of 2026-11-05 12:32 (local time): model values, not measurements. All of today's advice
7-day forecast for Mannum
Today (Thursday 5 Nov) in Mannum: overcast, 10 to 24 °C, precipitation 0.0 mm (0 %), wind up to 20 km/h. Tomorrow: overcast, 9 to 24 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | 10 °C | 24 °C | 0.0 mm | 20 km/h |
| Tomorrow | overcast | 9 °C | 24 °C | 0.0 mm | 23 km/h |
| Sat 7 Nov | overcast | 11 °C | 18 °C | 0.0 mm | 24 km/h |
| Sun 8 Nov | overcast | 7 °C | 21 °C | 0.0 mm | 14 km/h |
| Mon 9 Nov | overcast | 10 °C | 28 °C | 0.0 mm | 17 km/h |
| Tue 10 Nov | overcast | 14 °C | 29 °C | 0.0 mm | 30 km/h |
| Wed 11 Nov | light drizzle | 12 °C | 18 °C | 1.2 mm | 31 km/h |
Tomorrow's weather in Mannum
Tomorrow, Friday 6 Nov, in Mannum: overcast, from 9 to 24 °C, 0.0 mm of precipitation (probability 22 %), wind up to 23 km/h.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 00:00 |  sunny | 12 °C | 0.0 mm | 0 % | 4 km/h |
| 03:00 | mostly sunny | 9 °C | 0.0 mm | 0 % | 3 km/h |
| 06:00 | sunny | 9 °C | 0.0 mm | 0 % | 5 km/h |
| 09:00 | mostly sunny | 19 °C | 0.0 mm | 0 % | 8 km/h |
| 12:00 |  overcast | 23 °C | 0.0 mm | 0 % | 12 km/h |
| 15:00 |  partly cloudy | 24 °C | 0.0 mm | 0 % | 17 km/h |
| 18:00 | sunny | 21 °C | 0.0 mm | 0 % | 18 km/h |
| 21:00 | partly cloudy | 16 °C | 0.0 mm | 16 % | 15 km/h |
Frequently asked questions
Will it rain tomorrow in Mannum?
No significant rain expected (0.0 mm forecast).
How warm will it be tomorrow in Mannum?
Between 9 and 24 °C.
The weekend
This weekend in Mannum: Saturday overcast, 11 to 18 °C, Sunday overcast, 7 to 21 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 7 Nov | overcast | 11 °C | 18 °C | 0.0 mm | 24 km/h |
| Sun 8 Nov | overcast | 7 °C | 21 °C | 0.0 mm | 14 km/h |
Hour by hour
The next 48 hours in Mannum, hour by hour: temperature from 9 to 24 °C, 0.0 mm of rain expected.
| Hour | Weather | Temp. | Precip. | Chance | Wind |
|---|---|---|---|---|---|
| 12:00 | sunny | 19 °C | 0.0 mm | 0 % | 8 km/h |
| 13:00 | mostly sunny | 20 °C | 0.0 mm | 0 % | 7 km/h |
| 14:00 | mostly sunny | 22 °C | 0.0 mm | 0 % | 7 km/h |
| 15:00 | partly cloudy | 24 °C | 0.0 mm | 0 % | 11 km/h |
| 16:00 | sunny | 22 °C | 0.0 mm | 0 % | 20 km/h |
| 17:00 | sunny | 21 °C | 0.0 mm | 0 % | 18 km/h |
| 18:00 | sunny | 19 °C | 0.0 mm | 0 % | 17 km/h |
| 19:00 | sunny | 18 °C | 0.0 mm | 0 % | 16 km/h |
| 20:00 | sunny | 16 °C | 0.0 mm | 0 % | 12 km/h |
| 21:00 | sunny | 14 °C | 0.0 mm | 0 % | 6 km/h |
| 22:00 | sunny | 13 °C | 0.0 mm | 0 % | 5 km/h |
| 23:00 | sunny | 12 °C | 0.0 mm | 0 % | 4 km/h |
| 00:00 | sunny | 12 °C | 0.0 mm | 0 % | 4 km/h |
| 01:00 | sunny | 11 °C | 0.0 mm | 0 % | 4 km/h |
| 02:00 | sunny | 10 °C | 0.0 mm | 0 % | 4 km/h |
| 03:00 | mostly sunny | 9 °C | 0.0 mm | 0 % | 3 km/h |
| 04:00 | mostly sunny | 9 °C | 0.0 mm | 0 % | 3 km/h |
| 05:00 | sunny | 9 °C | 0.0 mm | 0 % | 5 km/h |
| 06:00 | sunny | 9 °C | 0.0 mm | 0 % | 5 km/h |
| 07:00 | sunny | 12 °C | 0.0 mm | 0 % | 5 km/h |
| 08:00 | sunny | 16 °C | 0.0 mm | 0 % | 4 km/h |
| 09:00 | mostly sunny | 19 °C | 0.0 mm | 0 % | 8 km/h |
| 10:00 | mostly sunny | 21 °C | 0.0 mm | 0 % | 11 km/h |
| 11:00 | mostly sunny | 22 °C | 0.0 mm | 0 % | 12 km/h |
| 12:00 | overcast | 23 °C | 0.0 mm | 0 % | 12 km/h |
| 13:00 | overcast | 24 °C | 0.0 mm | 0 % | 12 km/h |
| 14:00 | mostly sunny | 24 °C | 0.0 mm | 0 % | 14 km/h |
| 15:00 | partly cloudy | 24 °C | 0.0 mm | 0 % | 17 km/h |
| 16:00 | mostly sunny | 23 °C | 0.0 mm | 0 % | 19 km/h |
| 17:00 | sunny | 22 °C | 0.0 mm | 0 % | 19 km/h |
| 18:00 | sunny | 21 °C | 0.0 mm | 0 % | 18 km/h |
| 19:00 | mostly sunny | 19 °C | 0.0 mm | 0 % | 16 km/h |
| 20:00 | mostly sunny | 17 °C | 0.0 mm | 7 % | 15 km/h |
| 21:00 | partly cloudy | 16 °C | 0.0 mm | 16 % | 15 km/h |
| 22:00 | overcast | 15 °C | 0.0 mm | 22 % | 20 km/h |
| 23:00 | overcast | 15 °C | 0.0 mm | 22 % | 23 km/h |
| 00:00 | overcast | 14 °C | 0.0 mm | 19 % | 24 km/h |
| 01:00 | mostly sunny | 13 °C | 0.0 mm | 16 % | 22 km/h |
| 02:00 | partly cloudy | 12 °C | 0.0 mm | 15 % | 18 km/h |
| 03:00 | partly cloudy | 12 °C | 0.0 mm | 14 % | 17 km/h |
| 04:00 | partly cloudy | 11 °C | 0.0 mm | 12 % | 15 km/h |
| 05:00 | partly cloudy | 11 °C | 0.0 mm | 9 % | 13 km/h |
| 06:00 | overcast | 11 °C | 0.0 mm | 5 % | 13 km/h |
| 07:00 | partly cloudy | 12 °C | 0.0 mm | 2 % | 16 km/h |
| 08:00 | overcast | 13 °C | 0.0 mm | 1 % | 21 km/h |
| 09:00 | overcast | 14 °C | 0.0 mm | 2 % | 20 km/h |
| 10:00 | mostly sunny | 15 °C | 0.0 mm | 2 % | 20 km/h |
| 11:00 | mostly sunny | 17 °C | 0.0 mm | 1 % | 20 km/h |
Location of Mannum
Mannum lies at 33 m, 101 m below the average of the 112 places we cover in South Australia (134 m). That makes it the 42nd lowest of the 112. The main town, Adelaide, lies 64 km to the west. The nearest places we cover are Murray Bridge (23 km to the south), Nairne (38 km to the west), Woodside (39 km to the west) and Lobethal (39 km to the west). With about 2,679 inhabitants according to GeoNames, Mannum is the 52nd largest of the 112 places we cover in South Australia. Of the places of interest on this site, the nearest is Mount Lofty (mountain, 55 km to the west).
Today is close to the November normal (24.9 °C).
Climate of Mannum: 1991–2020 normals
In Mannum, January is typically the warmest month (up to 28.9 °C on average), while July is the coldest at 7.1 °C. September sees the most rain, with around 39 mm.
By season (average highs, 1991–2020 normals): winter 15.1 °C and 96 mm of rain, spring 21.8 °C and 101 mm, summer 28.1 °C and 71 mm, autumn 21.9 °C and 72 mm. The wettest season is spring (30 % of the annual total), the driest summer (21 %).
| Max T (°C) | Min T (°C) | Rainfall (mm) | Rainy days | |
|---|---|---|---|---|
| January | 28.9 | 16.0 | 22 | 3 |
| February | 28.5 | 15.9 | 19 | 3 |
| March | 25.7 | 14.1 | 14 | 2 |
| April | 22.0 | 11.8 | 28 | 4 |
| May | 18.0 | 9.6 | 30 | 6 |
| June | 15.0 | 7.7 | 31 | 7 |
| July | 14.6 | 7.1 | 33 | 8 |
| August | 15.7 | 7.5 | 32 | 8 |
| September | 18.5 | 8.9 | 39 | 7 |
| October | 21.9 | 10.7 | 30 | 6 |
| November | 24.9 | 12.8 | 32 | 5 |
| December | 27.0 | 14.5 | 30 | 4 |
Compared with Adelaide, the main town 64 km to the west, highs in the warmest month are 2.4 °C higher here, and the year brings 149 mm less precipitation. In no month does the average low fall below 0 °C; in 7 months the average high exceeds 20 °C (January, February, March, April, October, November and December).
Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Nairne (38 km to the west): summers 2.1 °C cooler and 121 mm wetter a year; Lobethal (39 km to the west): summers 2.5 °C cooler and 165 mm wetter a year; Tailem Bend (40 km to the south): summers 0.1 °C cooler and 32 mm drier a year. Among the 112 places we cover in South Australia whose normals come from the ERA5 reanalysis, Mannum ranks 34th for summer warmth and 84th for annual precipitation. The warmest summers are in Coober Pedy and the coolest in Robe; the wettest year is in Millicent and the driest in Coober Pedy.
What is the warmest month in Mannum?
The warmest month in Mannum is typically January, averaging 28.9 °C (1991–2020 normal). The coldest is July, at 7.1 °C.
How many rainy days does Mannum get per year?
Mannum sees about 64 rainy days a year, adding up to roughly 341 mm of rainfall (1991–2020 normals).
How big is the gap between summer and winter in Mannum?
Between January and July, the temperature gap in Mannum runs to about 21.8 °C, based on the 1991–2020 normals.