May weather forecastVan Alstyne, TX
May
Weather in May
May, the last month of the spring in Van Alstyne, is a moderately hot month, with an average temperature varying between 63°F (17.2°C) and 79.9°F (26.6°C).Temperature
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a pleasant 72.5°F (22.5°C) to a moderately hot 79.9°F (26.6°C). Throughout the month of May, Van Alstyne witnesses an average temperature of 63°F (17.2°C).Humidity
With an average relative humidity of 77%, May is the most humid month.Rainfall
In Van Alstyne, during May, the rain falls for 15.4 days and regularly aggregates up to 3.9" (99mm) of precipitation. Throughout the year, there are 142.1 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
In Van Alstyne, snow does not fall in April through October.Daylight
The average length of the day in May is 13h and 54min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:09 pm. On the last day of May, sunrise is at 6:17 am and sunset at 8:30 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Van Alstyne, TX
- Average high temperature in May: 79.9°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in May: 63°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in May
Van Alstyne, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Van Alstyne, TX
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in May
Van Alstyne, TX
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Van Alstyne, TX
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in May
Van Alstyne, TX
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in May
Van Alstyne, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Van Alstyne, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Van Alstyne, TX
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Van Alstyne, TX
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in May
Van Alstyne, TX
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Van Alstyne, TX
- Average cloud cover in May: 37
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Van Alstyne, TX
- 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).
