May weather forecastWeir, MS
May
Weather in May
The last month of the spring, May, is another warm month in Weir, Mississippi, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 62.2°F (16.8°C).Temperature
With the onset of May, Weir observes a minor temperature ascent, with the average high-temperature adjusting from April's moderately hot 73.9°F (23.3°C) to a still warm 82°F (27.8°C). Weir's nighttime temperature in May drops to an average of 62.2°F (16.8°C).Heat index
During May, the heat index is calculated to be a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In Weir, the average relative humidity in May is 75%.Rainfall
In Weir, in May, during 13.9 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 163.9 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
In Weir, Mississippi, snow does not fall in April through October.Daylight
The average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:40 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:01 pm CDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In May, an average UV index of 6 transforms into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Weir, MS
- Average high temperature in May: 82°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 62.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in May
Weir, MS
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Weir, MS
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Weir, MS
- Average humidity in May: 75%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Weir, MS
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in May
Weir, MS
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Weir, MS
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Weir, MS
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Weir, MS
- 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: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Weir, MS
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Weir, MS
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Weir, MS
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in May
Weir, MS
- 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).





