Climate and monthly weather forecastArapahoe, CO
Climate and monthly weather forecast
Weather in January
January is a frosty winter month in Arapahoe, Colorado, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 43.3°F (6.3°C). The arrival of January brings an average high-temperature of a frosty 43.3°F (6.3°C), closely following the temperature pattern of December. Weather in January »Weather in February
February, the last month of the winter in Arapahoe, is another chilly month, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 25.2°F (-3.8°C). February commences with an average high-temperature of a still frosty 43.9°F (6.6°C), showing little deviation from January's 43.3°F (6.3°C). Weather in February »Weather in March
The first month of the spring, March, is a mild month in Arapahoe, Colorado, with an average temperature varying between 55.9°F (13.3°C) and 35.2°F (1.8°C). March comes with an increase, with the average high-temperature moving from a chilly 43.9°F (6.6°C) in February to a mild 55.9°F (13.3°C). Weather in March »Weather in April
April is a comfortable spring month in Arapahoe, Colorado, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 40.6°F (4.8°C). In Arapahoe, stepping into April brings a gentle temperature nudge, moving slightly up from March's moderate 55.9°F (13.3°C) to a comfortable 62.8°F (17.1°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Arapahoe, Colorado, with an average temperature varying between 71.6°F (22°C) and 49.5°F (9.7°C). May comes with a subtle rise, with the average high-temperature adjusting from a comfortable 62.8°F (17.1°C) in April to a pleasant 71.6°F (22°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Arapahoe, Colorado, with an average temperature fluctuating between 86°F (30°C) and 62.8°F (17.1°C). As June sets, the average high-temperature displays a significant increase, moving up from a pleasant 71.6°F (22°C) in May to a tropical 86°F (30°C). Weather in June »Weather in July
July, the same as June, in Arapahoe, Colorado, is another tropical summer month, with an average temperature varying between 90°F (32.2°C) and 67.8°F (19.9°C). July, marked by an average high-temperature of 90°F (32.2°C) and a low-temperature of 67.8°F (19.9°C), is the warmest month. In July, the average heat index is computed to be a hot 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Arapahoe, is another tropical month, with an average temperature fluctuating between 87.1°F (30.6°C) and 64.9°F (18.3°C). August commences with an average high-temperature of a still tropical 87.1°F (30.6°C), showing little deviation from July's 90°F (32.2°C). Weather in August »Weather in September
September, the first month of the autumn in Arapahoe, is still a warm month, with an average temperature varying between 80.1°F (26.7°C) and 58.3°F (14.6°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 87.1°F (30.6°C) in August to a moderately hot 80.1°F (26.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Arapahoe, Colorado, with an average temperature varying between 44.4°F (6.9°C) and 64°F (17.8°C). Witnessing a clear downswing, the average high-temperature during October drops from September's moderately hot 80.1°F (26.7°C) to a refreshing 64°F (17.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Arapahoe, Colorado, with an average temperature varying between 33.6°F (0.9°C) and 52.9°F (11.6°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from an enjoyable 64°F (17.8°C) in October to a fresh 52.9°F (11.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Arapahoe, Colorado, with an average temperature varying between 41.2°F (5.1°C) and 24.1°F (-4.4°C). Arapahoe reaches its lowest average temperatures in December, measuring 41.2°F (5.1°C) at the peak and 24.1°F (-4.4°C) at the lowest. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Arapahoe, CO
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (41.2°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure
Arapahoe, CO
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.86"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.8"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.1"Hg
The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed
Arapahoe, CO
- Average wind speed in January:
10.9mph - Average wind speed in February:
11.4mph - Average wind speed in March:
12.1mph - Average wind speed in April:
13mph - Average wind speed in May:
12.1mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
10.5mph - Average wind speed in August:
10.3mph - Average wind speed in September:
11.2mph - Average wind speed in October:
11.6mph - Average wind speed in November:
11.2mph - Average wind speed in December:
11.1mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).
Average humidity
Arapahoe, CO
The months with the highest relative humidity are January, February and December (61%).
The months with the lowest relative humidity are June and July (48%).
Average rainfall
Arapahoe, CO
- Average rainfall in January:
0.39" - Average rainfall in February:
0.59" - Average rainfall in March:
1.02" - Average rainfall in April:
1.18" - Average rainfall in May:
1.93" - Average rainfall in June:
1.81"
- Average rainfall in July:
1.93" - Average rainfall in August:
1.61" - Average rainfall in September:
1.1" - Average rainfall in October:
0.91" - Average rainfall in November:
0.47" - Average rainfall in December:
0.43"
The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Arapahoe, CO
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
12.8 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
6.7 days - Average rainfall days in November:
4.3 days - Average rainfall days in December:
3.8 days
The month with the highest number of rainy days is July (15 days).
The months with the least rainy days are February and December (3.8 days).
Average snowfall
Arapahoe, CO
- Average snowfall in January:
1.65" - Average snowfall in February:
2.28" - Average snowfall in March:
1.81" - Average snowfall in April:
1.26" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arapahoe, CO
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
2.1 days - Average snowfall days in May:
0.8 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:
2.5 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Arapahoe, CO
- Average daylight in January:
9h and 48min - 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 36min - 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:
6h and 48min - Average sunshine in February:
6h and 24min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 6min - Average sunshine in October:
7h and 48min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days
Arapahoe, CO
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
22.8 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index
Arapahoe, CO
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Arapahoe, CO
The month with the most cloud cover is February (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 17).
Average visibility
Arapahoe, 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).





