May weather forecast
Nashua, IA

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Weather in May

The last month of the spring, May, is a refreshing month in Nashua, Iowa, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 50.5°F (10.3°C).

Temperature

In May, the meteorological conditions change with the average high-temperature moving from a cool 55.2°F (12.9°C) in April to a comfortable 67.3°F (19.6°C). Nashua, during the month of May, experiences an average low-temperature of 50.5°F (10.3°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In Nashua, during May, the rain falls for 17.4 days and regularly aggregates up to 3.78" (96mm) of precipitation. Throughout the year, in Nashua, there are 127.3 rainfall days, and 26.61" (676mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Nashua. May is the last month it regularly snows in Nashua. During 0.2 snowfall days, in May, Nashua aggregates 0.35" (9mm) of snow. In Nashua, during the entire year, snow falls for 46.8 days and aggregates up to 19.76" (502mm) of snow.

Daylight

The average length of the day in May in Nashua is 14h and 40min.
On the first day of May, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:42 pm CDT.

Sunshine

The average sunshine in May in Nashua, Iowa, is 8.2h.

UV index

In Nashua, Iowa, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during May leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Nashua in May?

The high-temperature in Nashua, Iowa, during May is 67.3°F (19.6°C) and the low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Nashua?

In Nashua, the average relative humidity in May is 77%.

How many days does it rain in May in Nashua?

In Nashua, during May, the rain falls for 17.4 days and regularly aggregates up to 3.78" (96mm) of precipitation.

What is the last month it snows in Nashua?

May is the last month it regularly snows in Nashua. During 0.2 snowfall days, in May, Nashua aggregates 0.35" (9mm) of snow.

What is the average length of the day in May in Nashua?

The average day length in May in Nashua, Iowa, is 14h and 40min.

When is the sunrise / sunset in May in Nashua?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, in Nashua, Iowa, sunrise is at 5:33 am and sunset at 8:42 pm CDT.

How many hours of sunshine does Nashua have in May?

In May, the average sunshine duration in Nashua, Iowa, is 8.2h.

How high is the UV index in May in Nashua?

The average daily maximum UV index in May in Nashua is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Nashua, IA

Average temperature in May - Nashua, IA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Nashua, IA

Average pressure in May - Nashua, IA
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Nashua, IA

Average wind speed in May - Nashua, IA
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in May
Nashua, IA

Average humidity in May - Nashua, IA
  • Average humidity in May: 77%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Nashua, IA

Average rainfall in May - Nashua, IA
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in May
Nashua, IA

Average rainfall days in May - Nashua, IA
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in May
Nashua, IA

Average snowfall in May - Nashua, IA
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Nashua, IA

Average snowfall days in May - Nashua, IA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Nashua, IA

Average daylight in May / Average sunshine in May - Nashua, IA
  • Average daylight in May: 14h and 4min

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: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Nashua, IA

Average sunshine days in May - Nashua, IA
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in May
Nashua, IA

Average UV index in May - Nashua, IA
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Nashua, IA

Average cloud cover in May - Nashua, IA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Nashua, IA

Average visibility in May - Nashua, IA
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Nashua, Iowa, USA

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