May weather forecastPacific Junction, IA
May
Weather in May
May, the last month of the spring in Pacific Junction, is an agreeable month, with an average temperature ranging between min 54.3°F (12.4°C) and max 71.1°F (21.7°C).Temperature
The start of May is characterized by an increase in the average high-temperature, transitioning from a comfortable 61.3°F (16.3°C) in April to a pleasant 71.1°F (21.7°C). In May, the nighttime temperature lowers to an average of 54.3°F (12.4°C).Humidity
The average relative humidity in May is 73%.Rainfall
In May, the rain falls for 17.2 days. Throughout May, 4.41" (112mm) of precipitation is accumulated. Throughout the year, in Pacific Junction, there are 129.5 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Pacific Junction, Iowa. May is the last month it regularly snows in Pacific Junction. During 0.2 snowfall days, in May, Pacific Junction aggregates 0.12" (3mm) of snow. Throughout the year, in Pacific Junction, there are 31.3 snowfall days, and 12.56" (319mm) of snow is accumulated.Daylight
In Pacific Junction, the average length of the day in May is 14h and 30min.On the first day of May in Pacific Junction, sunrise is at 6:19 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:48 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May in Pacific Junction is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct 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. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pacific Junction, IA
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Pacific Junction, IA
- 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 (29.87"Hg).
Average wind speed in May
Pacific Junction, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Pacific Junction, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Pacific Junction, IA
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is June (4.57").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in May
Pacific Junction, IA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Pacific Junction, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Pacific Junction, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Pacific Junction, IA
- 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 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Pacific Junction, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Pacific Junction, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Pacific Junction, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Pacific Junction, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





