Fort Collins weather by month

Check out Fort Collins weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Fort Collins (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	5	7	10	16	21	26	30	28	24	18	10	6
Min temperature (night-time)	-10	-7	-4	1	6	11	14	13	8	2	-4	-9
Heat & Humidity	0	0	0	0	0	L	M	L	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Fort Collins

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	8	9	10	11	11	10	9	8	6	6
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	5	7	9	10	10	9	7	4	2	2

Rainfall in Fort Collins

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	5	6	9	9	11	9	9	9	7	5	6	6
Average monthly rainfall (mm)	11	11	33	45	70	49	45	33	32	25	19	12

More about Fort Collins

Fort Collins by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Colorado (Fort Collins) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Fort Collins?

Fort Collins has a cold semi arid climate with hot summers.

Fort Collins weather in January

Expect daytime maximum temperatures of 5°C in Fort Collins, Colorado in January based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

5
5°C max day temperature
7
7 hours of sunshine per day
5
5 days with some rainfall
-10
-10°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
11
11 mm of monthly rainfall
2
2 (Low) UV index

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Fort Collins weather in February

Expect daytime maximum temperatures of 7°C in Fort Collins, Colorado in February based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

7
7°C max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
-7
-7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
11
11 mm of monthly rainfall
3
3 (Moderate) UV index

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Fort Collins weather in March

Expect daytime maximum temperatures of 10°C in Fort Collins, Colorado in March based on long-term weather averages. There are 8 hours of sunshine per day on average.

10
10°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
-4
-4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
33
33 mm of monthly rainfall
5
5 (Moderate) UV index

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Fort Collins weather in April

Expect daytime maximum temperatures of 16°C in Fort Collins, Colorado in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 45 mm of rainfall in the month.

16
16°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
1
1°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
45
45 mm of monthly rainfall
7
7 (High) UV index

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Fort Collins weather in May

Expect daytime maximum temperatures of 21°C in Fort Collins, Colorado in May based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 70 mm of rainfall in the month.

21
21°C max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
6
6°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
70
70 mm of monthly rainfall
9
9 (Very High) UV index

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Fort Collins weather in June

Expect daytime maximum temperatures of 26°C in Fort Collins, Colorado in June based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 49 mm of rainfall in the month.

26
26°C max day temperature
11
11 hours of sunshine per day
9
9 days with some rainfall
11
11°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
49
49 mm of monthly rainfall
10
10 (Very High) UV index

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Fort Collins weather in July

Expect daytime maximum temperatures of 30°C in Fort Collins, Colorado in July based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 45 mm of rainfall in the month.

30
30°C max day temperature
11
11 hours of sunshine per day
9
9 days with some rainfall
14
14°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
45
45 mm of monthly rainfall
10
10 (Very High) UV index

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Fort Collins weather in August

Expect daytime maximum temperatures of 28°C in Fort Collins, Colorado in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

28
28°C max day temperature
10
10 hours of sunshine per day
9
9 days with some rainfall
13
13°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
33
33 mm of monthly rainfall
9
9 (Very High) UV index

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Fort Collins weather in September

Expect daytime maximum temperatures of 24°C in Fort Collins, Colorado in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

24
24°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
8
8°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
32
32 mm of monthly rainfall
7
7 (High) UV index

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Fort Collins weather in October

Expect daytime maximum temperatures of 18°C in Fort Collins, Colorado in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

18
18°C max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
2
2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
25
25 mm of monthly rainfall
4
4 (Moderate) UV index

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Fort Collins weather in November

Expect daytime maximum temperatures of 10°C in Fort Collins, Colorado in November based on long-term weather averages. There are 6 hours of sunshine per day on average.

10
10°C max day temperature
6
6 hours of sunshine per day
6
6 days with some rainfall
-4
-4°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
19
19 mm of monthly rainfall
2
2 (Low) UV index

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Fort Collins weather in December

Expect daytime maximum temperatures of 6°C in Fort Collins, Colorado in December based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.

6
6°C max day temperature
6
6 hours of sunshine per day
6
6 days with some rainfall
-9
-9°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
12
12 mm of monthly rainfall
2
2 (Low) UV index

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