Annual mean 7°C · wettest around April · prevailing wind E
Warmest
27.6 °C
Coldest
-6.3 °C
Wettest
11%
Windiest
4.7 m/s
Prevailing
E
3.7 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 Riverton over the whole year is 7°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -10°C. Riverton has no sharply defined rainy season: the chance of rain on a given day runs from 3% in July, the driest month, to 11% in April, the wettest. Winds in Riverton are highest in April, averaging 4.6 m/s (17 km/h), and lightest in January, at 3.1 m/s (11 km/h). The prevailing wind is from the E. The clearest skies in Riverton come in July, when the sky is typically 8% covered; April is the cloudiest month, at 37%.
Month by month Riverton 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
-6°C
-10°C
-11°C
5%
28%
3.1 m/s
0
0
0
February
-3°C
-9°C
-9°C
5%
25%
3.8 m/s
0
0
2
March
4°C
-3°C
-2°C
7%
30%
4.2 m/s
1
0
16
April
9°C
0°C
3°C
11%
37%
4.6 m/s
7
0
38
May
15°C
7°C
10°C
11%
36%
4.2 m/s
32
0
67
June
23°C
13°C
18°C
6%
18%
4.1 m/s
73
17
71
July
27°C
16°C
24°C
3%
8%
4.0 m/s
79
54
40
August
26°C
14°C
22°C
5%
11%
3.8 m/s
84
38
54
September
20°C
9°C
15°C
7%
19%
3.8 m/s
62
11
71
October
11°C
2°C
6°C
7%
24%
3.8 m/s
14
0
53
November
4°C
-3°C
-2°C
5%
23%
3.6 m/s
0
0
16
December
-3°C
-8°C
-8°C
3%
21%
3.3 m/s
0
0
1
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 Riverton weather by season
Year round, Riverton has days of about -6°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -10°C to 16°C through the year, and the average temperature over the year is 7°C around the clock. Rain is most likely around April 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.
Riverton weather in winterDecember to February
High -4°CLow -9°CRain 4%
Winter in Riverton has typical daily highs of about -4°C and lows of about -9°C, with a 4% chance of rain on a given day.
Riverton weather in springMarch to May
High 9°CLow 1°CRain 10%
Spring in Riverton has typical daily highs of about 9°C and lows of about 1°C, with a 10% chance of rain on a given day.
Riverton weather in summerJune to August
High 25°CLow 14°CRain 5%
Summer in Riverton has typical daily highs of about 25°C and lows of about 14°C, with a 5% chance of rain on a given day.
Riverton weather in autumnSeptember to November
High 11°CLow 3°CRain 6%
Autumn in Riverton has typical daily highs of about 11°C and lows of about 3°C, with a 6% chance of rain on a given day.
When is the rainy season in Riverton?
Riverton has no sharply defined rainy season: the chance of rain on a given day runs from 3% in July, the driest month, to 11% in April, the wettest.
What time of year is Riverton windiest?
Winds in Riverton are highest in April, averaging 4.6 m/s (17 km/h), and lightest in January, at 3.1 m/s (11 km/h). The prevailing wind is from the E.
What is the average temperature in Riverton year round?
The average temperature in Riverton over the whole year is 7°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -10°C.