Annual mean 11°C · wettest around October · prevailing wind NW
Warmest
32.7 °C
Coldest
1.0 °C
Wettest
75%
Windiest
4.7 m/s
Prevailing
NW
3.8 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 Grantsville over the whole year is 11°C. July is the hottest month, with highs of about 32°C; December is the coldest, with lows of about -3°C. Grantsville has no sharply defined rainy season: the chance of rain on a given day runs from 49% in July, the driest month, to 72% in October, the wettest. Winds in Grantsville are highest in March, averaging 3.7 m/s (13 km/h), and lightest in January, at 2.4 m/s (9 km/h). The prevailing wind is from the NW. The clearest skies in Grantsville come in July, when the sky is typically 11% covered; January is the cloudiest month, at 34%.
Month by month Grantsville 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
2°C
-3°C
-3°C
68%
34%
2.4 m/s
0
0
3
February
4°C
-2°C
-1°C
68%
32%
3.3 m/s
0
0
11
March
10°C
2°C
4°C
66%
31%
3.7 m/s
5
0
33
April
14°C
5°C
9°C
64%
27%
3.6 m/s
18
0
58
May
20°C
11°C
15°C
65%
24%
3.6 m/s
51
4
71
June
27°C
17°C
23°C
60%
13%
3.7 m/s
69
39
44
July
32°C
22°C
29°C
49%
11%
3.7 m/s
36
77
8
August
30°C
19°C
27°C
58%
12%
3.5 m/s
52
68
17
September
25°C
13°C
20°C
71%
14%
3.3 m/s
69
25
56
October
16°C
6°C
11°C
72%
18%
3.1 m/s
32
1
67
November
8°C
0°C
4°C
70%
22%
2.6 m/s
3
0
32
December
2°C
-3°C
-2°C
67%
33%
2.4 m/s
0
0
4
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 Grantsville weather by season
Year round, Grantsville has days of about 2°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from -3°C to 22°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around October 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.
Grantsville weather in winterDecember to February
High 3°CLow -3°CRain 67%
Winter in Grantsville has typical daily highs of about 3°C and lows of about -3°C, with a 67% chance of rain on a given day.
Grantsville weather in springMarch to May
High 14°CLow 6°CRain 65%
Spring in Grantsville has typical daily highs of about 14°C and lows of about 6°C, with a 65% chance of rain on a given day.
Grantsville weather in summerJune to August
High 30°CLow 19°CRain 55%
Summer in Grantsville has typical daily highs of about 30°C and lows of about 19°C, with a 55% chance of rain on a given day.
Grantsville weather in autumnSeptember to November
High 16°CLow 6°CRain 71%
Autumn in Grantsville has typical daily highs of about 16°C and lows of about 6°C, with a 71% chance of rain on a given day.
When is the rainy season in Grantsville?
Grantsville has no sharply defined rainy season: the chance of rain on a given day runs from 49% in July, the driest month, to 72% in October, the wettest.
What time of year is Grantsville windiest?
Winds in Grantsville are highest in March, averaging 3.7 m/s (13 km/h), and lightest in January, at 2.4 m/s (9 km/h). The prevailing wind is from the NW.
What is the average temperature in Grantsville year round?
The average temperature in Grantsville over the whole year is 11°C. July is the hottest month, with highs of about 32°C; December is the coldest, with lows of about -3°C.