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
May brings a rise in Castleford's average high-temperature, moving from a moderate 57.4°F (14.1°C) in April to a comfortable 67.1°F (19.5°C). Castleford encounters a steady low-temperature average of 45.7°F (7.6°C) throughout the month of May.Humidity
The average relative humidity in May is 45%.Rainfall
In May, the rain falls for 10 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. In Castleford, during the entire year, the rain falls for 85.9 days and collects up to 8.27" (210mm) of precipitation.Snowfall
In Castleford, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 38min.On the first day of May, sunrise is at 6:32 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 9:09 pm MDT.
Sunshine
In Castleford, Idaho, the average sunshine in May is 11.1h.UV index
In Castleford, Idaho, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Castleford in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Castleford have in May?
When are sunrise and sunset in May in Castleford?
How many hours of sunshine does Castleford have in May?
How high is the UV index in May?
Average temperature in May
Castleford, ID
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is December (34.2°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in May
Castleford, ID
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Castleford, ID
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).
Average humidity in May
Castleford, ID
- Average humidity in May: 45%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is July (27%).
Average rainfall in May
Castleford, ID
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is January (1.18").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Castleford, ID
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is October (5.2 days).
Average snowfall in May
Castleford, ID
- Average snowfall in May: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Castleford, ID
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Castleford, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Castleford, ID
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in May
Castleford, 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
Castleford, 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 10).
Average visibility in May
Castleford, 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).
Castleford, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location