May weather forecastHelmer, IN
May
Weather in May
The last month of the spring, May, is a pleasant month in Helmer, Indiana, with an average temperature fluctuating between 51.8°F (11°C) and 68.9°F (20.5°C).Temperature
May's onset brings a rise in the average high-temperature, moving from a mild 56.3°F (13.5°C) in April to an agreeable 68.9°F (20.5°C). In Helmer, May nights witness a steady temperature drop to a cool 51.8°F (11°C).Humidity
The average relative humidity in May is 80%.Rainfall
The wettest months in Helmer are April and May, with an average 3.66" (93mm) of rainfall.Snowfall
Months with snowfall in Helmer are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Helmer aggregates 0.04" (1mm) of snow. In Helmer, during the entire year, snow falls for 56 days and aggregates up to 15.51" (394mm) of snow.Daylight
The average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:38 pm. On the last day of May, sunrise is at 6:09 am and sunset at 9:07 pm EDT.
Sunshine
In May, the average sunshine in Helmer is 8.4h.UV index
The months with the highest UV index in Helmer, Indiana, are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Helmer, IN
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Helmer, IN
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Helmer, IN
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Helmer, IN
- Average humidity in May: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Helmer, IN
- Average rainfall in May: 3.66"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in May
Helmer, IN
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in May
Helmer, IN
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Helmer, IN
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Helmer, IN
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Helmer, IN
- Average sunshine days in May: 10.8 days
The months with the most sunshine days are September, October and November (14.7 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in May
Helmer, IN
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Helmer, IN
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Helmer, IN
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
