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 Castine, stepping into May brings a temperature increase, moving up from April's moderate 60.3°F (15.7°C) to a pleasant 70.7°F (21.5°C). Throughout May, Castine experiences a low-temperature average of 54.5°F (12.5°C).Humidity
The average relative humidity in May in Castine, Ohio, is 79%.Rainfall
May is the month with the most rainfall in Castine. Rain falls for 19.8 days and accumulates 4.17" (106mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 24min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:33 pm. On the last day of May, sunrise is at 6:11 am and sunset at 9:00 pm EDT.
Sunshine
In May, the average sunshine in Castine is 8.4h.UV index
The average daily maximum UV index in May in Castine is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Castine in May?
What is the average humidity in May in Castine?
What is the rainiest month in Castine?
How much does it rain in Castine in May?
When it does not snow in Castine?
Does it snow in Castine in May?
How many hours of daylight does Castine have in May?
When are sunrise and sunset in May in Castine?
How many hours of sunshine does Castine have in May?
How high is the UV index in May in Castine?
Average temperature in May
Castine, OH
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Castine, OH
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Castine, OH
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Castine, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Castine, OH
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Castine, OH
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
Castine, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Castine, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Castine, OH
- 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: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Castine, OH
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in May
Castine, OH
- 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, October, November and December (UV index 2).
Average cloud cover in May
Castine, OH
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Castine, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Castine, Ohio, USA
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