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 (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	36	43	52	61	70	81	90	88	77	64	48	37
Min temperature (night-time)	19	23	28	34	41	48	55	54	45	36	28	19
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 (inches)	1.2	0.8	0.8	0.8	1.1	0.9	0.3	0.5	0.6	0.7	1.1	1.1

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 36°F 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.

36
36°F max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
19
19°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
1.2
1.2 inches of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in February

Expect daytime maximum temperatures of 43°F 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.

43
43°F max day temperature
6
6 hours of sunshine per day
9
9 days with some rainfall
23
23°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in March

Expect daytime maximum temperatures of 52°F 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.

52
52°F max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
28
28°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
4
4 (Moderate) UV index

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Twin Falls weather in April

Expect daytime maximum temperatures of 61°F in Twin Falls, Idaho in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

61
61°F max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
34
34°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
6
6 (High) UV index

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Twin Falls weather in May

Expect daytime maximum temperatures of 70°F in Twin Falls, Idaho in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

70
70°F max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
41
41°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
8
8 (Very High) UV index

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Twin Falls weather in June

Expect daytime maximum temperatures of 81°F in Twin Falls, Idaho in June based on long-term weather averages. There are 12 hours of sunshine per day on average.

81
81°F max day temperature
12
12 hours of sunshine per day
6
6 days with some rainfall
48
48°F min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
0.9
0.9 inches of monthly rainfall
9
9 (Very High) UV index

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Twin Falls weather in July

Expect daytime maximum temperatures of 90°F in Twin Falls, Idaho in July based on long-term weather averages. There are 13 hours of sunshine per day on average.

90
90°F max day temperature
13
13 hours of sunshine per day
4
4 days with some rainfall
55
55°F min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
0.3
0.3 inches of monthly rainfall
9
9 (Very High) UV index

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Twin Falls weather in August

Expect daytime maximum temperatures of 88°F in Twin Falls, Idaho in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

88
88°F max day temperature
11
11 hours of sunshine per day
4
4 days with some rainfall
54
54°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
0.5
0.5 inches of monthly rainfall
8
8 (Very High) UV index

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Twin Falls weather in September

Expect daytime maximum temperatures of 77°F in Twin Falls, Idaho in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

77
77°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
45
45°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
0.6
0.6 inches of monthly rainfall
6
6 (High) UV index

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Twin Falls weather in October

Expect daytime maximum temperatures of 64°F in Twin Falls, Idaho in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

64
64°F max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
36
36°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
0.7
0.7 inches of monthly rainfall
4
4 (Moderate) UV index

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Twin Falls weather in November

Expect daytime maximum temperatures of 48°F 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.

48
48°F max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
28
28°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
1.1
1.1 inches of monthly rainfall
2
2 (Low) UV index

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Twin Falls weather in December

Expect daytime maximum temperatures of 37°F 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.