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
Grand Junction sees an increase in the average high-temperature with the arrival of May, moving from April's mild 58.6°F (14.8°C) to an agreeable 69.1°F (20.6°C). Grand Junction marks a considerable descent from the daytime apex, as the average temperature dips to a frosty 45°F (7.2°C) at night throughout May.Humidity
In May, the average relative humidity in Grand Junction is 37%.Rainfall
In May, the rain falls for 7.7 days. Throughout May, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 93.6 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Grand Junction.Daylight
In May, the average length of the day is 14h and 20min.On the first day of May, sunrise is at 6:14 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:33 pm MDT.
Sunshine
In May, the average sunshine in Grand Junction, Colorado, is 11.6h.UV index
The average daily maximum UV index in May in Grand Junction, Colorado, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What are the temperatures in Grand Junction in May?
What is the average humidity in May in Grand Junction?
How much does it rain in Grand Junction in May?
When it does not snow in Grand Junction?
Does it snow in Grand Junction in May?
How many hours of daylight does Grand Junction have in May?
What time are sunrise and sunset in May in Grand Junction?
How many hours of sunshine does Grand Junction have in May?
How high is the UV index in May in Grand Junction?
Average temperature in May
Grand Junction, CO
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Grand Junction, CO
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.9"Hg).
Average wind speed in May
Grand Junction, CO
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Grand Junction, CO
- Average humidity in May: 37%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (29%).
Average rainfall in May
Grand Junction, CO
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is March (1.06").
The driest month (with the least rainfall) is June (0.51").
Average rainfall days in May
Grand Junction, CO
- Average rainfall days in May: 7.7 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in May
Grand Junction, CO
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grand Junction, CO
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grand Junction, CO
- Average daylight in May: 14h and 2min
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 30min).
- Average sunshine in May: 11h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in May
Grand Junction, CO
- Average sunshine days in May: 20.4 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in May
Grand Junction, 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
Grand Junction, CO
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in May
Grand Junction, CO
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grand Junction, Colorado, USA
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