May weather forecastMontgomery, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in Montgomery, Illinois, with an average temperature fluctuating between 52.3°F (11.3°C) and 69.4°F (20.8°C).Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 57°F (13.9°C) to an agreeable 69.4°F (20.8°C). In May, the recorded average low-temperature is a fresh 52.3°F (11.3°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Montgomery, in May, it is raining for 15.3 days, with typically 2.13" (54mm) of accumulated precipitation. In Montgomery, during the entire year, the rain falls for 133.1 days and collects up to 16.93" (430mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 34min.On the first day of May, sunrise is at 5:48 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Montgomery, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Montgomery, IL
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in May
Montgomery, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Montgomery, IL
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Montgomery, IL
- Average humidity in May: 77%
The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Montgomery, IL
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").
Average rainfall days in May
Montgomery, IL
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Montgomery, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Montgomery, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Montgomery, IL
- Average daylight in May: 14h and 36min
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 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Montgomery, IL
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in May
Montgomery, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Montgomery, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Montgomery, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
