Monthly weather forecast and climate
Nelson, CO

Average temperature
Nelson, CO

Average temperature - Nelson, CO

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

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Average pressure
Nelson, CO

Average pressure - Nelson, CO

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed
Nelson, CO

Average wind speed - Nelson, CO

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).

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Average humidity
Nelson, CO

Average humidity - Nelson, CO

The month with the highest relative humidity is January (64%).
Months with the lowest relative humidity are August and September (45%).

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Average rainfall
Nelson, CO

Average rainfall - Nelson, CO

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").

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Average rainfall days
Nelson, CO

Average rainfall days - Nelson, CO

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).

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Average snowfall
Nelson, CO

Average snowfall - Nelson, CO

The month with the highest snowfall is February (2.64").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Nelson, CO

Average snowfall days - Nelson, CO

The month with the highest number of snowfall days is February (8.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Nelson, CO

Average daylight / Average sunshine - Nelson, CO

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
Months with the least sunshine are February and December (Average sunshine: 6.5).

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Average sunshine days
Nelson, CO

Average sunshine days - Nelson, CO

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index
Nelson, CO

Average UV index - Nelson, CO

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Nelson, CO

Average visibility - Nelson, CO

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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