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
The commencement of May sees a shift in the average high-temperature, moving from a mild 59.9°F (15.5°C) in April to an agreeable 69.6°F (20.9°C). Caldwell experiences a drastic reduction from day temperatures to an average low of 47.1°F (8.4°C) in May.Humidity
In Caldwell, the average relative humidity in May is 47%.Rainfall
In Caldwell, Idaho, in May, during 9.9 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Caldwell, Idaho, during the entire year, the rain falls for 103.7 days and collects up to 9.84" (250mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Caldwell, the average length of the day in May is 14h and 44min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:49 pm. On the last day of May, in Caldwell, sunrise is at 6:08 am and sunset at 9:21 pm MDT.
Sunshine
In Caldwell, the average sunshine in May is 11.2h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Caldwell have in May?
How high is the UV index in May?
Average temperature in May
Caldwell, ID
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is December (36.3°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in May
Caldwell, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in May
Caldwell, ID
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in May
Caldwell, ID
- Average humidity in May: 47%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (29%).
Average rainfall in May
Caldwell, ID
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is March (1.38").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Caldwell, ID
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in May
Caldwell, ID
- Average snowfall in May: 0"
The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Caldwell, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (7.2 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
Caldwell, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Caldwell, ID
- Average sunshine days in May: 18.6 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in May
Caldwell, ID
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Caldwell, ID
- Average cloud cover in May: 23
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in May
Caldwell, ID
- 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).
Caldwell, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location