May weather forecastMerriman, NE
May
Weather in May
May marks the onset of summer in Merriman, Nebraska, with the mercury rising to an average high of 65.1°F (18.4°C). This month experiences a significant increase in temperatures from April, marking the transition from spring to summer. As a result, the days become comfortably warm and residents slowly retire their winter clothing. An interesting occurrence in May is its alternating weather patterns, with some days being sun-drenched and others overcast with rain showers. Despite the rainfall, locals can enjoy their outdoors as rainfall days only reach 15 per month.Temperature
The onset of May brings a rise in the average high-temperature, elevating from a moderate 55.4°F (13°C) in April to a still refreshing 65.1°F (18.4°C). In May, Merriman's temperature tends to fall to an average low of 47.1°F (8.4°C) during the night.Humidity
The average relative humidity in May is 62%.Rainfall
The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 1.6 snowfall days, in May, Merriman aggregates 2.17" (55mm) of snow. In Merriman, during the entire year, snow falls for 47.3 days and aggregates up to 19.76" (502mm) of snow.Daylight
The average length of the day in May is 14h and 40min.On the first day of May, sunrise is at 5:39 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:18 pm MDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In Merriman, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Merriman, NE
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in May: 47.1°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 (18.3°F).
Average pressure in May
Merriman, NE
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Merriman, NE
- Average wind speed in May: 11.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in May
Merriman, NE
- Average humidity in May: 62%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in May
Merriman, NE
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Merriman, NE
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (2.8 days).
Average snowfall in May
Merriman, NE
- Average snowfall in May: 2.17"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Merriman, NE
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Merriman, NE
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in May
Merriman, NE
- Average sunshine days in May: 13 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Merriman, NE
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Merriman, NE
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Merriman, 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).
