Annual mean 5°C · wettest around May · prevailing wind W
Warmest
25.0 °C
Coldest
-12.7 °C
Wettest
49%
Windiest
5.9 m/s
Prevailing
W
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 Thief River Falls over the whole year is 5°C. July is the hottest month, with highs of about 24°C; February is the coldest, with lows of about -15°C. Thief River Falls has no sharply defined rainy season: the chance of rain on a given day runs from 29% in January, the driest month, to 48% in May, the wettest. Winds in Thief River Falls are highest in April, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.1 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Thief River Falls come in July, when the sky is typically 25% covered; January is the cloudiest month, at 54%.
Month by month Thief River 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
-11°C
-14°C
-18°C
29%
54%
4.1 m/s
0
0
0
February
-10°C
-15°C
-17°C
32%
43%
4.3 m/s
0
0
0
March
-1°C
-7°C
-7°C
35%
42%
4.3 m/s
0
0
4
April
7°C
-0°C
0°C
42%
46%
4.5 m/s
2
0
22
May
17°C
9°C
12°C
48%
38%
4.4 m/s
35
4
59
June
23°C
15°C
20°C
45%
33%
3.8 m/s
66
20
59
July
24°C
17°C
23°C
43%
25%
3.1 m/s
72
39
42
August
23°C
15°C
22°C
43%
30%
3.1 m/s
74
28
52
September
19°C
11°C
15°C
44%
36%
3.8 m/s
51
6
68
October
10°C
3°C
4°C
41%
47%
4.1 m/s
10
0
34
November
0°C
-4°C
-6°C
34%
53%
4.2 m/s
1
0
6
December
-8°C
-11°C
-14°C
34%
53%
4.3 m/s
0
0
0
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 Thief River Falls weather by season
Year round, Thief River Falls has days of about -11°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from -15°C to 17°C through the year, and the average temperature over the year is 5°C around the clock. Rain is most likely around May and least likely around January. 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.
Thief River Falls weather in winterDecember to February
High -10°CLow -13°CRain 32%
Winter in Thief River Falls has typical daily highs of about -10°C and lows of about -13°C, with a 32% chance of rain on a given day.
Thief River Falls weather in springMarch to May
High 8°CLow 1°CRain 42%
Spring in Thief River Falls has typical daily highs of about 8°C and lows of about 1°C, with a 42% chance of rain on a given day.
Thief River Falls weather in summerJune to August
High 23°CLow 16°CRain 44%
Summer in Thief River Falls has typical daily highs of about 23°C and lows of about 16°C, with a 44% chance of rain on a given day.
Thief River Falls weather in autumnSeptember to November
High 10°CLow 3°CRain 40%
Autumn in Thief River Falls has typical daily highs of about 10°C and lows of about 3°C, with a 40% chance of rain on a given day.
When is the rainy season in Thief River Falls?
Thief River Falls has no sharply defined rainy season: the chance of rain on a given day runs from 29% in January, the driest month, to 48% in May, the wettest.
What time of year is Thief River Falls windiest?
Winds in Thief River Falls are highest in April, averaging 4.5 m/s (16 km/h), and lightest in July, at 3.1 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Thief River Falls year round?
The average temperature in Thief River Falls over the whole year is 5°C. July is the hottest month, with highs of about 24°C; February is the coldest, with lows of about -15°C.