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 comes with an increase, with the average high-temperature moving from a refreshing 60.6°F (15.9°C) in April to an agreeable 70.2°F (21.2°C). The low-temperature average for Columbia during May stands at a fresh 52.5°F (11.4°C).Humidity
The most humid month is May, with an average relative humidity of 81%.Rainfall
In Columbia, in May, it is raining for 15.2 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Columbia, there are 130.2 rainfall days, and 16.22" (412mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Columbia, Pennsylvania.Daylight
The average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:39 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
May through July, with an average maximum UV index of 6, are months with the highest UV index in Columbia. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are May temperatures in Columbia?
What is the most humid month in Columbia?
What is the average humidity in May in Columbia?
How much does it rain in Columbia in May?
When it does not snow in Columbia?
Does it snow in Columbia in May?
What is the average length of the day in May in Columbia?
When are sunrise and sunset in May in Columbia?
How many hours of sunshine does Columbia have in May?
When is the highest UV index in Columbia?
How high is the UV index in May in Columbia?
Average temperature in May
Columbia, PA
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Columbia, PA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Columbia, PA
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Columbia, PA
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in May
Columbia, PA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in May
Columbia, PA
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in May
Columbia, PA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Columbia, PA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.5 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, PA
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Columbia, PA
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in May
Columbia, PA
- Average UV index in May: 6
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Columbia, PA
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Columbia, PA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Columbia, Pennsylvania, USA
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