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
With the onset of May, Allen sees a temperature rise, with the average high-temperature moving from April's mild 58.3°F (14.6°C) to a pleasant 69.4°F (20.8°C). In May, the temperature drops to an average of 51.4°F (10.8°C) at night.Humidity
In Allen, the average relative humidity in May is 70%.Rainfall
The wettest months are May and June, with an average 2.91" (74mm) of rainfall.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Allen aggregates 0.2" (5mm) of snow. In Allen, during the entire year, snow falls for 36.1 days and aggregates up to 14.09" (358mm) of snow.Daylight
The average length of the day in May in Allen is 14h and 37min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:27 pm. On the last day of May, sunrise is at 5:52 am and sunset at 8:57 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May in Allen?
Average temperature in May
Allen, NE
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Allen, NE
- 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 (29.85"Hg).
Average wind speed in May
Allen, NE
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in May
Allen, NE
- Average humidity in May: 70%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (65%).
Average rainfall in May
Allen, NE
- Average rainfall in May: 2.91"
The wettest months (with the highest rainfall) are May and June (2.91").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in May
Allen, NE
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in May
Allen, NE
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Allen, NE
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Allen, NE
- 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 6min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Allen, NE
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Allen, NE
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Allen, NE
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Allen, NE
- 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).
Allen, Nebraska, USA
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