Climate and monthly weather forecastCastlewood, CO
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Castlewood, Colorado, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 22.1°F (-5.5°C). Shifting into January, Castlewood records an average high-temperature of a still wintry 41.2°F (5.1°C), presenting minor fluctuations compared to the previous month. Weather in January »Weather in February
February, the last month of the winter in Castlewood, is also an icy month, with an average temperature varying between 41.5°F (5.3°C) and 21.6°F (-5.8°C). February is marked by an average high-temperature of a still wintry 41.5°F (5.3°C), almost identical to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Castlewood, is a fresh month, with an average temperature varying between 30.6°F (-0.8°C) and 52.3°F (11.3°C). With the arrival of March, the average high-temperature transitions from an icy 41.5°F (5.3°C) in February to a cool 52.3°F (11.3°C). Weather in March »Weather in April
April in Castlewood, Colorado, is a mild spring month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 58.8°F (14.9°C). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a fresh 52.3°F (11.3°C) to a moderate 58.8°F (14.9°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Castlewood, Colorado, with an average temperature ranging between max 67.1°F (19.5°C) and min 43.2°F (6.2°C). Castlewood observes a slight ascent in average high-temperatures during May, adjusting from a mild 58.8°F (14.9°C) in April to a still refreshing 67.1°F (19.5°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Castlewood, Colorado, with an average temperature varying between 54.5°F (12.5°C) and 82°F (27.8°C). Castlewood's weather undergoes a significant change with the arrival of June, as the average high-temperature moves from an enjoyable 67.1°F (19.5°C) in May to a moderately hot 82°F (27.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Castlewood, Colorado, with an average temperature fluctuating between 59.2°F (15.1°C) and 85.6°F (29.8°C). July is Castlewood's warmest month, registering average high temperatures of 85.6°F (29.8°C) and lows of 59.2°F (15.1°C). During July, the heat index is evaluated at a hot 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Castlewood, Colorado, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 58.6°F (14.8°C). The onset of August manifests an average high-temperature of a still moderately hot 84.4°F (29.1°C), demonstrating a minor variation from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Castlewood, Colorado, with an average temperature fluctuating between 52.5°F (11.4°C) and 77.7°F (25.4°C). Castlewood's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's moderately hot 84.4°F (29.1°C) to a still warm 77.7°F (25.4°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Castlewood, Colorado, with an average temperature fluctuating between 62.2°F (16.8°C) and 38.7°F (3.7°C). October's onset is marked by a clear temperature decrease, falling from a moderately hot 77.7°F (25.4°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Castlewood, Colorado, with an average temperature varying between 30°F (-1.1°C) and 51.3°F (10.7°C). The start of November involves a temperature drop, moving from a comfortable 62.2°F (16.8°C) in October to a fresh 51.3°F (10.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Castlewood, Colorado, with an average temperature varying between 40.3°F (4.6°C) and 20.7°F (-6.3°C). Castlewood's temperature records reveal December as the coldest month, marked by average highs of 40.3°F (4.6°C) and lows of 20.7°F (-6.3°C). Weather in December »Updated: Jul 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 94.2 rainfall days, and 11.97" (304mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 46.5 snowfall days, and 37.2" (945mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average relative humidity of 65%, February is the most humid month.
The month with the least sunshine is February, with an average of 6.8h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
April is the month with the most snowfall. Snow falls for 6.1 days and accumulates 6.34" (161mm) of snow.
May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 2.2" (56mm) of precipitation.
June, August and September, with an average relative humidity of 43%, are the least humid months.
June through September are months without snowfall.
June has the longest days of the year, with an average of 14h and 54min of daylight.
June and July, with an average of 11.9h of sunshine, are months with the most sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July is the month that records the highest temperatures, with averages ranging from a high of 85.6°F (29.8°C) to a low of 59.2°F (15.1°C).
The month with the least rainfall is September, when the rain falls for 6.5 days and typically collects 0.47" (12mm) of precipitation.
December is the coldest month, exhibiting average temperatures of 40.3°F (4.6°C) at the peak and 20.7°F (-6.3°C) at the base.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Castlewood, CO
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (40.3°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure
Castlewood, CO
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed
Castlewood, CO
- Average wind speed in January:
6.8mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.8mph - Average wind speed in May:
7mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.6mph - Average wind speed in October:
6.8mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest months (with the lowest average wind speed) are August and December (6.5mph).
Average humidity
Castlewood, CO
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June, August and September (43%).
Average rainfall
Castlewood, CO
- Average rainfall in January:
0.51" - Average rainfall in February:
0.79" - Average rainfall in March:
1.34" - Average rainfall in April:
1.42" - Average rainfall in May:
2.2" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.46" - Average rainfall in August:
0.75" - Average rainfall in September:
0.47" - Average rainfall in October:
0.75" - Average rainfall in November:
0.63" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
Castlewood, CO
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
9.2 days - Average rainfall days in September:
6.5 days - Average rainfall days in October:
4.8 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is November (3.4 days).
Average snowfall
Castlewood, CO
- Average snowfall in January:
3.62" - Average snowfall in February:
6.22" - Average snowfall in March:
5.83" - Average snowfall in April:
6.34" - Average snowfall in May:
3.7" - Average snowfall in June:
0"
The month with the highest snowfall is April (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Castlewood, CO
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
6.1 days - Average snowfall days in May:
1.8 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:
0.1 days - Average snowfall days in October:
2.9 days - Average snowfall days in November:
5.3 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Castlewood, CO
- Average daylight in January:
9h and 48min - 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 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 54min - Average sunshine in April:
10h and 42min - Average sunshine in May:
11h and 12min - 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 30min - Average sunshine in November:
7h and 18min - Average sunshine in December:
7h 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: 6h and 48min).
Average sunshine days
Castlewood, CO
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
21 days - Average sunshine days in October:
22.5 days - Average sunshine days in November:
23.2 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is April (12.7 days).
Average UV index
Castlewood, CO
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Castlewood, CO
The month with the most cloud cover is April (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility
Castlewood, 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).
