Annual mean 10°C · wettest around December · prevailing wind NW
Warmest
30.6 °C
Coldest
0.4 °C
Wettest
9%
Windiest
6.5 m/s
Prevailing
NW
5.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Twin Falls over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -4°C. Twin Falls has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 8% in December, the wettest. Winds in Twin Falls are highest in April, averaging 5.3 m/s (19 km/h), and lightest in August, at 3.9 m/s (14 km/h). The prevailing wind is from the NW. The clearest skies in Twin Falls come in July, when the sky is typically 4% covered; January is the cloudiest month, at 51%.
Month by month Twin Falls climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
1°C
-4°C
-5°C
6%
51%
4.3 m/s
0
0
2
February
3°C
-3°C
-4°C
6%
46%
5.0 m/s
0
0
6
March
8°C
1°C
2°C
6%
42%
4.9 m/s
3
0
27
April
13°C
4°C
7°C
4%
32%
5.3 m/s
13
0
53
May
18°C
9°C
13°C
7%
30%
4.6 m/s
46
3
74
June
24°C
14°C
20°C
3%
12%
4.5 m/s
75
26
63
July
30°C
20°C
26°C
1%
4%
4.0 m/s
62
73
23
August
28°C
17°C
25°C
3%
7%
3.9 m/s
71
58
36
September
23°C
11°C
19°C
3%
14%
3.9 m/s
70
21
69
October
15°C
5°C
10°C
5%
23%
4.3 m/s
33
0
66
November
8°C
-0°C
2°C
5%
31%
4.1 m/s
3
0
28
December
1°C
-3°C
-4°C
8%
50%
4.2 m/s
0
0
3
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Twin Falls weather by season
Year round, Twin Falls has days of about 1°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from -4°C to 20°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Twin Falls weather in winterDecember to February
High 2°CLow -3°CRain 7%
Winter in Twin Falls has typical daily highs of about 2°C and lows of about -3°C, with a 7% chance of rain on a given day.
Twin Falls weather in springMarch to May
High 13°CLow 5°CRain 6%
Spring in Twin Falls has typical daily highs of about 13°C and lows of about 5°C, with a 6% chance of rain on a given day.
Twin Falls weather in summerJune to August
High 28°CLow 17°CRain 2%
Summer in Twin Falls has typical daily highs of about 28°C and lows of about 17°C, with a 2% chance of rain on a given day.
Twin Falls weather in autumnSeptember to November
High 15°CLow 5°CRain 4%
Autumn in Twin Falls has typical daily highs of about 15°C and lows of about 5°C, with a 4% chance of rain on a given day.
When is the rainy season in Twin Falls?
Twin Falls has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 8% in December, the wettest.
What time of year is Twin Falls windiest?
Winds in Twin Falls are highest in April, averaging 5.3 m/s (19 km/h), and lightest in August, at 3.9 m/s (14 km/h). The prevailing wind is from the NW.
What is the average temperature in Twin Falls year round?
The average temperature in Twin Falls over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -4°C.