Annual mean 10°C · wettest around September · prevailing wind NE
Warmest
29.3 °C
Coldest
2.3 °C
Wettest
82%
Windiest
3.8 m/s
Prevailing
NE
3.1 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 Broomfield over the whole year is 10°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -6°C. Broomfield has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 36% in September, the wettest. Winds in Broomfield are highest in April, averaging 2.9 m/s (10 km/h), and lightest in September, at 1.9 m/s (7 km/h). The prevailing wind is from the NE. The clearest skies in Broomfield come in September, when the sky is typically 23% covered; May is the cloudiest month, at 41%.
Month by month Broomfield 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
3°C
-6°C
-2°C
19%
30%
2.3 m/s
0
0
13
February
4°C
-5°C
-1°C
25%
32%
2.7 m/s
2
0
20
March
9°C
-1°C
4°C
21%
37%
2.7 m/s
7
0
37
April
13°C
2°C
8°C
24%
37%
2.9 m/s
25
0
56
May
17°C
8°C
14°C
34%
41%
2.4 m/s
50
5
68
June
25°C
14°C
23°C
24%
27%
2.4 m/s
66
42
41
July
29°C
17°C
27°C
21%
24%
2.2 m/s
47
71
15
August
28°C
15°C
26°C
22%
24%
2.1 m/s
60
62
24
September
24°C
10°C
21°C
36%
23%
1.9 m/s
69
32
49
October
16°C
4°C
12°C
33%
25%
2.2 m/s
43
2
65
November
10°C
-1°C
5°C
24%
23%
2.3 m/s
14
0
43
December
5°C
-4°C
1°C
31%
24%
2.4 m/s
1
0
23
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 Broomfield weather by season
Year round, Broomfield has days of about 3°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -6°C to 17°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around September 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.
Broomfield weather in winterDecember to February
High 4°CLow -5°CRain 25%
Winter in Broomfield has typical daily highs of about 4°C and lows of about -5°C, with a 25% chance of rain on a given day.
Broomfield weather in springMarch to May
High 13°CLow 3°CRain 26%
Spring in Broomfield has typical daily highs of about 13°C and lows of about 3°C, with a 26% chance of rain on a given day.
Broomfield weather in summerJune to August
High 27°CLow 15°CRain 22%
Summer in Broomfield has typical daily highs of about 27°C and lows of about 15°C, with a 22% chance of rain on a given day.
Broomfield weather in autumnSeptember to November
High 16°CLow 4°CRain 31%
Autumn in Broomfield has typical daily highs of about 16°C and lows of about 4°C, with a 31% chance of rain on a given day.
When is the rainy season in Broomfield?
Broomfield has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 36% in September, the wettest.
What time of year is Broomfield windiest?
Winds in Broomfield are highest in April, averaging 2.9 m/s (10 km/h), and lightest in September, at 1.9 m/s (7 km/h). The prevailing wind is from the NE.
What is the average temperature in Broomfield year round?
The average temperature in Broomfield over the whole year is 10°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -6°C.