May weather forecast
Norway, IA

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Weather in May

The last month of the spring, May, is an agreeable month in Norway, Iowa, with an average temperature ranging between min 52.3°F (11.3°C) and max 68.9°F (20.5°C).

Temperature

May's arrival signals a temperature shift, moving from a refreshing 57.9°F (14.4°C) in April to a pleasant 68.9°F (20.5°C). The average temperature during May nights is registered at a fresh 52.3°F (11.3°C).

Humidity

In Norway, the average relative humidity in May is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 35min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:36 pm CDT.

Sunshine

In Norway, the average sunshine in May is 8.7h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 68.9°F (20.5°C) and the low-temperature is 52.3°F (11.3°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.

How many days does it rain in May?

In Norway, Iowa, during May, the rain falls for 16 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow?

In Norway, Iowa, snow does not fall in May through September.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Norway have in May?

In Norway, the average day length in May is 14h and 35min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:36 pm CDT.

How many hours of sunshine does Norway have in May?

In May, the average sunshine duration is 8.7h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Norway, IA

Average temperature in May - Norway, IA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in May
Norway, IA

Average pressure in May - Norway, IA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Norway, IA

Average wind speed in May - Norway, IA
  • Average wind speed in May: 9.1mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in May
Norway, IA

Average humidity in May - Norway, IA
  • Average humidity in May: 79%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Norway, IA

Average rainfall in May - Norway, IA
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in May
Norway, IA

Average rainfall days in May - Norway, IA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in May
Norway, IA

Average snowfall in May - Norway, IA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Norway, IA

Average snowfall days in May - Norway, IA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 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
Norway, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in May
Norway, IA

Average sunshine days in May - Norway, IA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in May
Norway, IA

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

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

Average cloud cover in May
Norway, IA

Average cloud cover in May - Norway, IA
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in May
Norway, IA

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

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

Norway, Iowa, USA

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