Climate and monthly weather forecastProspect Heights, CO
Climate and monthly weather forecast
Weather in January
January, like December, in Prospect Heights, Colorado, is a wintry winter month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 37°F (2.8°C). January tends to be the coldest month, with temperatures averaging a daily high of 37°F (2.8°C) and a low of 19°F (-7.2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Prospect Heights, Colorado, with an average temperature varying between 19.4°F (-7°C) and 38.3°F (3.5°C). February brings an average high-temperature of a still cold 38.3°F (3.5°C), nearly identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Prospect Heights, is a frosty month, with an average temperature ranging between min 27.9°F (-2.3°C) and max 48.4°F (9.1°C). March's onset brings a temperature rise, moving from a cold 38.3°F (3.5°C) in February to a frosty 48.4°F (9.1°C). Weather in March »Weather in April
April is a refreshing spring month in Prospect Heights, Colorado, with an average temperature fluctuating between 32.4°F (0.2°C) and 55.8°F (13.2°C). April's onset is marked by a subtle temperature increase, moving from a chilly 48.4°F (9.1°C) in March to a mild 55.8°F (13.2°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Prospect Heights, Colorado, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 40.1°F (4.5°C). May brings a rise in Prospect Heights's average high-temperature, moving from a mild 55.8°F (13.2°C) in April to a still refreshing 64.8°F (18.2°C). Weather in May »Weather in June
June, the first month of the summer in Prospect Heights, is a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 50.7°F (10.4°C). The average high-temperature increases in June, moving from a refreshing 64.8°F (18.2°C) in May to a warm 78.8°F (26°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Prospect Heights, Colorado, with an average temperature fluctuating between 81.5°F (27.5°C) and 55.8°F (13.2°C). July, having an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 55.8°F (13.2°C), is the warmest month. During July, the heat index is appraised at 82.4°F (28°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Prospect Heights, Colorado, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 79.7°F (26.5°C). As August takes hold, the average high-temperature is a still moderately hot 79.7°F (26.5°C), nearly mirroring that of the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Prospect Heights, Colorado, with an average temperature varying between 73.2°F (22.9°C) and 48.2°F (9°C). Prospect Heights's transition into September involves a gentle shift in temperature, receding from a warm 79.7°F (26.5°C) in August to a pleasant 73.2°F (22.9°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Prospect Heights, Colorado, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 59.2°F (15.1°C). As September transitions into October, Prospect Heights sees a drop in the average high-temperature, transitioning from a pleasant 73.2°F (22.9°C) to a moderate 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Prospect Heights, is also a frosty month, with an average temperature varying between 26.6°F (-3°C) and 48.4°F (9.1°C). As October transitions to November, the average high-temperature falls from a mild 59.2°F (15.1°C) to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Prospect Heights, Colorado, with an average temperature ranging between min 18.5°F (-7.5°C) and max 38.3°F (3.5°C). December is characterized by a reduction in the average high-temperature, from a frosty 48.4°F (9.1°C) in November to an icy 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Prospect Heights, CO
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure
Prospect Heights, CO
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.05"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed
Prospect Heights, CO
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Prospect Heights, CO
The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).
Average rainfall
Prospect Heights, CO
- Average rainfall in January:
0.31" - Average rainfall in February:
0.71" - Average rainfall in March:
0.63" - Average rainfall in April:
1.06" - Average rainfall in May:
1.3" - Average rainfall in June:
1.1"
- Average rainfall in July:
2.2" - Average rainfall in August:
1.46" - Average rainfall in September:
0.79" - Average rainfall in October:
0.59" - Average rainfall in November:
0.31" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").
Average rainfall days
Prospect Heights, CO
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
2.7 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).
Average snowfall
Prospect Heights, CO
- Average snowfall in January:
2.28" - Average snowfall in February:
5.63" - Average snowfall in March:
3.35" - Average snowfall in April:
3.82" - Average snowfall in May:
0.71" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Prospect Heights, CO
- Average snowfall days in January:
6 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
4.7 days - Average snowfall days in May:
1.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2.6 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Prospect Heights, CO
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
7h and 0min - Average sunshine in March:
9h and 18min - Average sunshine in April:
11h and 6min - Average sunshine in May:
11h and 30min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 30min - Average sunshine in November:
7h and 30min - Average sunshine in December:
7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days
Prospect Heights, CO
- Average sunshine days in January:
23.4 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
4.7 days - Average sunshine days in August:
7.2 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
21.8 days - Average sunshine days in November:
24.7 days - Average sunshine days in December:
23.8 days
The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).
Average UV index
Prospect Heights, 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, October, November and December (UV index 2).
Average cloud cover
Prospect Heights, CO
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).
Average visibility
Prospect Heights, CO
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





