Annual mean 8°C · wettest around May · prevailing wind NE
Warmest
27.4 °C
Coldest
1.2 °C
Wettest
60%
Windiest
4.0 m/s
Prevailing
NE
3.3 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 Arvada over the whole year is 8°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -6°C. Arvada has no sharply defined rainy season: the chance of rain on a given day runs from 21% in January, the driest month, to 33% in May, the wettest. Winds in Arvada are highest in February, averaging 3.3 m/s (12 km/h), and lightest in September, at 2.4 m/s (9 km/h). The prevailing wind is from the NE. The clearest skies in Arvada come in September, when the sky is typically 27% covered; May is the cloudiest month, at 45%.
Month by month Arvada 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
-6°C
-3°C
21%
36%
2.9 m/s
0
0
11
February
3°C
-5°C
-2°C
26%
37%
3.3 m/s
1
0
18
March
7°C
-2°C
3°C
23%
41%
3.2 m/s
6
0
34
April
11°C
1°C
7°C
25%
42%
3.3 m/s
22
0
52
May
16°C
7°C
13°C
33%
45%
2.8 m/s
45
4
64
June
24°C
14°C
21°C
24%
32%
2.7 m/s
64
36
43
July
27°C
16°C
25°C
22%
30%
2.6 m/s
50
63
21
August
26°C
14°C
24°C
22%
30%
2.5 m/s
60
56
28
September
22°C
10°C
20°C
30%
27%
2.4 m/s
66
29
51
October
14°C
3°C
11°C
29%
29%
2.6 m/s
39
1
62
November
8°C
-1°C
4°C
24%
29%
2.8 m/s
12
0
40
December
4°C
-4°C
-1°C
28%
31%
3.0 m/s
1
0
21
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 Arvada weather by season
Year round, Arvada has days of about 2°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -6°C to 16°C through the year, and the average temperature over the year is 8°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.
Arvada weather in winterDecember to February
High 3°CLow -5°CRain 25%
Winter in Arvada has typical daily highs of about 3°C and lows of about -5°C, with a 25% chance of rain on a given day.
Arvada weather in springMarch to May
High 11°CLow 2°CRain 27%
Spring in Arvada has typical daily highs of about 11°C and lows of about 2°C, with a 27% chance of rain on a given day.
Arvada weather in summerJune to August
High 25°CLow 14°CRain 23%
Summer in Arvada has typical daily highs of about 25°C and lows of about 14°C, with a 23% chance of rain on a given day.
Arvada weather in autumnSeptember to November
High 15°CLow 4°CRain 28%
Autumn in Arvada has typical daily highs of about 15°C and lows of about 4°C, with a 28% chance of rain on a given day.
When is the rainy season in Arvada?
Arvada has no sharply defined rainy season: the chance of rain on a given day runs from 21% in January, the driest month, to 33% in May, the wettest.
What time of year is Arvada windiest?
Winds in Arvada are highest in February, averaging 3.3 m/s (12 km/h), and lightest in September, at 2.4 m/s (9 km/h). The prevailing wind is from the NE.
What is the average temperature in Arvada year round?
The average temperature in Arvada over the whole year is 8°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -6°C.