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
As May begins in Granby, Colorado, there is an increase in the average high-temperature, moving from a wintry 40.1°F (4.5°C) in April to a fresh 52.3°F (11.3°C). Against the backdrop of high daytime temperatures, an average low-temperature of 28.6°F (-1.9°C) is noted during May nights in Granby.Humidity
The average relative humidity in May is 65%.Rainfall
May is the month with the most rainfall in Granby. Rain falls for 12.8 days and accumulates 1.73" (44mm) of precipitation.Snowfall
Months with snowfall are January through June, August through December. In Granby, in May, snow falls for 12.2 days, with typically accumulated 7.87" (200mm) of snow. In Granby, during the entire year, snow falls for 110.7 days and aggregates up to 59.88" (1521mm) of snow.Daylight
The average length of the day in May in Granby is 14h and 25min.On the first day of May in Granby, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:26 pm MDT.
Sunshine
In May, the average sunshine is 10.9h.UV index
In Granby, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 3 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are May temperatures in Granby?
What is the average humidity in May in Granby?
What is the wettest month in Granby?
How much does it rain in Granby in May?
How many days does it snow in May in Granby?
What is the average length of the day in May in Granby?
What time are sunrise and sunset in May in Granby?
How long on average sun shines in May in Granby?
How high is the UV index in May in Granby?
Average temperature in May
Granby, CO
- Average high temperature in May: 52.3°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).
- Average low temperature in May: 28.6°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in May
Granby, CO
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in May
Granby, CO
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Granby, CO
- Average humidity in May: 65%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).
Average rainfall in May
Granby, CO
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in May
Granby, CO
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).
Average snowfall in May
Granby, CO
- Average snowfall in May: 7.87"
The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").
Average snowfall days in May
Granby, CO
- Average snowfall days in May: 12.2 days
The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in May /
Average sunshine in May
Granby, 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: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in May
Granby, CO
- Average sunshine days in May: 9.5 days
The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in May
Granby, CO
- Average UV index in May: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Granby, CO
- Average cloud cover in May: 28
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in May
Granby, CO
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Granby, Colorado, USA
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