Climate and monthly weather forecastHayden, CO
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Hayden, Colorado, with an average temperature fluctuating between 9°F (-12.8°C) and 27.5°F (-2.5°C). January proves to be the coldest month, recording an average maximum temperature of 27.5°F (-2.5°C) and a minimum temperature of 9°F (-12.8°C). Weather in January »Weather in February
February, the last month of the winter in Hayden, is another freezing cold month, with an average temperature varying between 29.1°F (-1.6°C) and 12°F (-11.1°C). Hayden experiences an average high-temperature of a still freezing cold 29.1°F (-1.6°C) in February, marking an insignificant shift from 27.5°F (-2.5°C) in January. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Hayden, Colorado, with an average temperature fluctuating between 20.7°F (-6.3°C) and 37.2°F (2.9°C). As March begins, there's a slight increase in the average high-temperature, moving from a subzero cold 29.1°F (-1.6°C) in February to a wintry 37.2°F (2.9°C). Weather in March »Weather in April
April is a chilly spring month in Hayden, Colorado, with an average temperature fluctuating between 27.9°F (-2.3°C) and 46.6°F (8.1°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from an icy 37.2°F (2.9°C) to a frosty 46.6°F (8.1°C). Weather in April »Weather in May
May, the last month of the spring in Hayden, is a refreshing month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 35.8°F (2.1°C). In Hayden, the average high-temperature in May rises, from a frosty 46.6°F (8.1°C) in April, to a mild 58.5°F (14.7°C). Weather in May »Weather in June
June, the first month of the summer in Hayden, is an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 43.3°F (6.3°C). The onset of June marks an increase in the average high-temperature, moving from a moderate 58.5°F (14.7°C) in May to a pleasant 72.1°F (22.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Hayden, Colorado, with an average temperature varying between 49.6°F (9.8°C) and 79.3°F (26.3°C). In Hayden, Colorado, the average temperatures in July are the highest, with a peak at 79.3°F (26.3°C) and a low of 49.6°F (9.8°C). Weather in July »Weather in August
August, the last month of the summer in Hayden, is also a moderately hot month, with an average temperature ranging between min 48.7°F (9.3°C) and max 78.1°F (25.6°C). Upon the onset of August, Hayden witnesses an average high-temperature of a still moderately hot 78.1°F (25.6°C), showing a close resemblance to the prior month. Weather in August »Weather in September
September, the first month of the autumn in Hayden, is also an agreeable month, with an average temperature fluctuating between 43°F (6.1°C) and 70°F (21.1°C). September is characterized by a mild reduction in the average high-temperature, from a warm 78.1°F (25.6°C) in August to an agreeable 70°F (21.1°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Hayden, Colorado, with an average temperature ranging between min 32.5°F (0.3°C) and max 52.2°F (11.2°C). In October, the meteorological conditions markedly change with the average high-temperature descending from a pleasant 70°F (21.1°C) in September to a fresh 52.2°F (11.2°C). Weather in October »Weather in November
November, the last month of the autumn in Hayden, is also an icy month, with an average temperature varying between 39.4°F (4.1°C) and 21.9°F (-5.6°C). Setting in of November comes with a decrease in the average high-temperature, moving from a cool 52.2°F (11.2°C) in October to a cold 39.4°F (4.1°C). Weather in November »Weather in December
December, the first month of the winter in Hayden, is also a subzero cold month, with an average temperature varying between 10.8°F (-11.8°C) and 27.7°F (-2.4°C). December comes with a decrease in the average high-temperature, falling from a cold 39.4°F (4.1°C) in November to a subzero cold 27.7°F (-2.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hayden, CO
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.5°F).
The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure
Hayden, CO
- Average pressure in January:
30.26"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.21"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed
Hayden, CO
- Average wind speed in January:
5.2mph - Average wind speed in February:
6mph - Average wind speed in March:
6mph - Average wind speed in April:
7.1mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.6mph - Average wind speed in September:
6.6mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.4mph
The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity
Hayden, CO
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Hayden, CO
- Average rainfall in January:
1.42" - Average rainfall in February:
1.34" - Average rainfall in March:
1.42" - Average rainfall in April:
1.81" - Average rainfall in May:
1.1" - Average rainfall in June:
0.79"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.55" - Average rainfall in September:
0.59" - Average rainfall in October:
1.14" - Average rainfall in November:
1.06" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days
Hayden, CO
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
9.9 days - Average rainfall days in August:
9.2 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
7.9 days - Average rainfall days in November:
5 days - Average rainfall days in December:
5.7 days
The months with the highest number of rainy days are April and May (12.3 days).
The month with the least rainy days is November (5 days).
Average snowfall
Hayden, CO
- Average snowfall in January:
11.34" - Average snowfall in February:
10.35" - Average snowfall in March:
9.8" - Average snowfall in April:
7.68" - Average snowfall in May:
1.06" - Average snowfall in June:
0.08"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are July and August (0").
Average snowfall days
Hayden, CO
- Average snowfall days in January:
16 days - Average snowfall days in February:
16.7 days - Average snowfall days in March:
12.9 days - Average snowfall days in April:
9.9 days - Average snowfall days in May:
2 days - Average snowfall days in June:
0.2 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
4.1 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
14.7 days
The month with the highest number of snowfall days is February (16.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Hayden, CO
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
5h and 24min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 6min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days
Hayden, CO
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
10.5 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
19.6 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is June (19.6 days).
The month with the least sunshine days is April (10.2 days).
Average UV index
Hayden, CO
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Hayden, CO
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are June, August and September (Cloud cover 13).
Average visibility
Hayden, CO
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





