Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In May, the average high-temperature marginally rises from an enjoyable 61.3°F (16.3°C) in April to a pleasant 69.4°F (20.8°C). Frederick's temperature in May declines substantially from daytime highs, settling at a consistent average of 44.6°F (7°C) during the nights.Humidity
In May, the average relative humidity in Frederick is 52%.Rainfall
May is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.69" (43mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.3 snowfall days, in May, Frederick aggregates 2.28" (58mm) of snow. In Frederick, Colorado, during the entire year, snow falls for 38.2 days and aggregates up to 27.44" (697mm) of snow.Daylight
In May, the average length of the day in Frederick is 14h and 25min.On the first day of May, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:22 pm MDT.
Sunshine
In May, the average sunshine is 11h.UV index
In Frederick, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Frederick?
What is the average humidity in May in Frederick?
What is the wettest month in Frederick?
How many days does it rain in May in Frederick?
What is the last month it snows in Frederick?
What is the average length of the day in May in Frederick?
When are sunrise and sunset in May in Frederick?
How long on average sun shines in May in Frederick?
What is the UV index reading in May in Frederick?
Average temperature in May
Frederick, CO
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in May
Frederick, CO
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Frederick, CO
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in May
Frederick, CO
- Average humidity in May: 52%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Frederick, CO
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days in May
Frederick, CO
- Average rainfall days in May: 12.3 days
The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).
Average snowfall in May
Frederick, CO
- Average snowfall in May: 2.28"
The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Frederick, CO
- Average snowfall days in May: 1.3 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Frederick, CO
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in May
Frederick, CO
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in May
Frederick, CO
- Average UV index in May: 5
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 in May
Frederick, CO
- Average cloud cover in May: 26
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in May
Frederick, CO
- Average visibility in May: 6mi
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).
Frederick, Colorado, USA
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