May weather forecastGriffin, IN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Griffin, Indiana, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 58.3°F (14.6°C).Temperature
May indicates a change in the average high-temperature, moving up from an enjoyable 65.3°F (18.5°C) in April to a moderately hot 74.7°F (23.7°C). During May, the average low-temperature is a moderate 58.3°F (14.6°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Griffin, in May, it is raining for 19.6 days, with typically 4.06" (103mm) of accumulated precipitation. Throughout the year, there are 167.7 rainfall days, and 38.23" (971mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 16min.On the first day of May, sunrise is at 5:54 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:08 pm CDT.
Sunshine
In Griffin, the average sunshine in May is 9.1h.UV index
The months with the highest UV index in Griffin are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Griffin, IN
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in May
Griffin, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Griffin, IN
- Average wind speed in May: 8.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Griffin, IN
- Average humidity in May: 79%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Griffin, IN
- Average rainfall in May: 4.06"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Griffin, IN
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in May
Griffin, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Griffin, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Griffin, IN
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Griffin, IN
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in May
Griffin, IN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Griffin, IN
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Griffin, IN
- 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).
