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
Columbia sees an increase in average high-temperatures during May, moving from 55.9°F (13.3°C) in April to a still refreshing 67.1°F (19.5°C). Columbia experiences a mean low-temperature of 48.9°F (9.4°C) during May.Humidity
In May, the average relative humidity in Columbia, Connecticut, is 76%.Rainfall
In Columbia, in May, it is raining for 17.1 days, with typically 2.76" (70mm) of accumulated precipitation. In Columbia, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Columbia. During 0.2 snowfall days, in May, Columbia aggregates 0.28" (7mm) of snow. Throughout the year, in Columbia, there are 31.6 snowfall days, and 15.98" (406mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 5:44 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:16 pm EDT.
Sunshine
In May, the average sunshine in Columbia is 8.3h.UV index
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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are May temperatures in Columbia?
What is the average humidity in May in Columbia?
How much does it rain in Columbia in May?
What is the last month it snows in Columbia?
What is the average length of the day in May in Columbia?
When is the sunrise / sunset in May in Columbia?
How many hours of sunshine does Columbia have in May?
What is the UV index reading in May in Columbia?
Average temperature in May
Columbia, CT
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Columbia, CT
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Columbia, CT
- Average wind speed in May: 7mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Columbia, CT
- Average humidity in May: 76%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Columbia, CT
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Columbia, CT
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Columbia, CT
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Columbia, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Columbia, CT
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Columbia, CT
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Columbia, CT
- 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, March, November and December (UV index 2).
Average cloud cover in May
Columbia, CT
- Average cloud cover in May: 48
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Columbia, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Columbia, Connecticut, USA
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