Twin Falls weather by month

Check out Twin Falls weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Twin Falls (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	2	6	11	16	21	27	32	31	25	18	9	3
Min temperature (night-time)	-7	-5	-2	1	5	9	13	12	7	2	-2	-7
Heat & Humidity	0	0	0	0	0	L	M	M	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Twin Falls

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	6	8	9	10	12	13	11	10	8	5	4
Daily hours of daylight	9	11	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	2	2	4	6	8	9	9	8	6	4	2	1

Rainfall in Twin Falls

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	11	9	10	9	8	6	4	4	5	5	10	11
Average monthly rainfall (mm)	30	20	21	20	27	24	8	12	15	18	27	28

More about Twin Falls

Twin Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Idaho (Twin Falls) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Twin Falls?

Twin Falls has a cold semi arid climate with hot summers.

Twin Falls weather in January

Expect daytime maximum temperatures of 2°C in Twin Falls, Idaho in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

2
2°C max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
-7
-7°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
30
30 mm of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in February

Expect daytime maximum temperatures of 6°C in Twin Falls, Idaho in February based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.

6
6°C max day temperature
6
6 hours of sunshine per day
9
9 days with some rainfall
-5
-5°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in March

Expect daytime maximum temperatures of 11°C in Twin Falls, Idaho in March based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall.

11
11°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
-2
-2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
21
21 mm of monthly rainfall
4
4 (Moderate) UV index

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Twin Falls weather in April

Expect daytime maximum temperatures of 16°C in Twin Falls, Idaho in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

16
16°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
1
1°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
20
20 mm of monthly rainfall
6
6 (High) UV index

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Twin Falls weather in May

Expect daytime maximum temperatures of 21°C in Twin Falls, Idaho in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

21
21°C max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
5
5°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
27
27 mm of monthly rainfall
8
8 (Very High) UV index

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Twin Falls weather in June

Expect daytime maximum temperatures of 27°C in Twin Falls, Idaho in June based on long-term weather averages. There are 12 hours of sunshine per day on average.

27
27°C max day temperature
12
12 hours of sunshine per day
6
6 days with some rainfall
9
9°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
24
24 mm of monthly rainfall
9
9 (Very High) UV index

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Twin Falls weather in July

Expect daytime maximum temperatures of 32°C in Twin Falls, Idaho in July based on long-term weather averages. There are 13 hours of sunshine per day on average.

32
32°C max day temperature
13
13 hours of sunshine per day
4
4 days with some rainfall
13
13°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
8
8 mm of monthly rainfall
9
9 (Very High) UV index

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Twin Falls weather in August

Expect daytime maximum temperatures of 31°C in Twin Falls, Idaho in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

31
31°C max day temperature
11
11 hours of sunshine per day
4
4 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
12
12 mm of monthly rainfall
8
8 (Very High) UV index

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Twin Falls weather in September

Expect daytime maximum temperatures of 25°C in Twin Falls, Idaho in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

25
25°C max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
7
7°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
15
15 mm of monthly rainfall
6
6 (High) UV index

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Twin Falls weather in October

Expect daytime maximum temperatures of 18°C in Twin Falls, Idaho in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

18
18°C max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
2
2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
18
18 mm of monthly rainfall
4
4 (Moderate) UV index

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Twin Falls weather in November

Expect daytime maximum temperatures of 9°C in Twin Falls, Idaho in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall.

9
9°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-2
-2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
27
27 mm of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in December

Expect daytime maximum temperatures of 3°C in Twin Falls, Idaho in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.