May weather forecast
Yorktown, IA

Weather in May

The last month of the spring, May, is an agreeable month in Yorktown, Iowa, with an average temperature ranging between max 70.9°F (21.6°C) and min 54.1°F (12.3°C).

Temperature

In May, the average high-temperature increases from a comfortable 61.5°F (16.4°C) in April to a pleasant 70.9°F (21.6°C). The average low-temperature, in Yorktown, is 54.1°F (12.3°C).

Humidity

In May, the average relative humidity in Yorktown is 76%.

Rainfall

In Yorktown, Iowa, in May, it is raining for 16.7 days, with typically 3.15" (80mm) of accumulated precipitation. In Yorktown, during the entire year, the rain falls for 114.9 days and collects up to 18.39" (467mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Yorktown, the average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:51 am and sunset at 8:44 pm CDT.

Sunshine

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

UV index

In Yorktown, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Yorktown?

The average high-temperature, in May, is 70.9°F (21.6°C), while the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May in Yorktown?

The average relative humidity in May is 76%.

How many days does it rain in May in Yorktown?

In Yorktown, Iowa, during May, the rain falls for 16.7 days and regularly aggregates up to 3.15" (80mm) of precipitation.

When it does not snow in Yorktown?

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

Does it snow in Yorktown in May?

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

How many hours of daylight does Yorktown have in May?

The average day length in May is 14h and 28min.

What time are sunrise and sunset in May in Yorktown?

On the first day of May, sunrise is at 6:18 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:44 pm CDT.

How long on average sun shines in May in Yorktown?

In Yorktown, Iowa, the average sunshine duration in May is 8.7h.

How high is the UV index in May in Yorktown?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Yorktown, IA

Average temperature in May - Yorktown, IA
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in May
Yorktown, IA

Average pressure in May - Yorktown, 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).

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Average wind speed in May
Yorktown, IA

Average wind speed in May - Yorktown, IA
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in May
Yorktown, IA

Average humidity in May - Yorktown, IA
  • Average humidity in May: 76%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
Yorktown, IA

Average rainfall in May - Yorktown, IA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in May
Yorktown, IA

Average rainfall days in May - Yorktown, IA
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in May
Yorktown, IA

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

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Yorktown, IA

Average snowfall days in May - Yorktown, IA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.8 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
Yorktown, IA

Average daylight in May / Average sunshine in May - Yorktown, IA
  • Average daylight in May: 14h and 28min

The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • 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 36min).

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Average sunshine days in May
Yorktown, IA

Average sunshine days in May - Yorktown, IA
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in May
Yorktown, IA

Average UV index in May - Yorktown, 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, November and December (UV index 2).

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Average cloud cover in May
Yorktown, IA

Average cloud cover in May - Yorktown, 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).

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Average visibility in May
Yorktown, IA

Average visibility in May - Yorktown, IA
  • 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).

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