May weather forecast
Bethany, MO

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Weather in May

Bethany, Missouri welcomes summer in May, with the climatological outlook mostly swaying towards warmer conditions. The city experiences a significant rise in temperature from April to May. The significant weather event for May is the high level of precipitation, with 3.62" (92mm) of rain expected to fall over an average of 18 days. Bethany shines brighter under the summer sun as daylight hours reach their peak with increased time for outdoor enjoyment. Accompanying summer's arrival is an increase in humidity, which persists throughout the month.

Temperature

Bethany's weather in May presents a minor rise in the average high-temperature, moving from a comfortable 62.2°F (16.8°C) in April to an agreeable 71.1°F (21.7°C). An average minimum temperature of 54.1°F (12.3°C) marks the month of May.

Humidity

In Bethany, the average relative humidity in May is 80%.

Rainfall

In Bethany, in May, it is raining for 18 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, there are 129.2 rainfall days, and 25.35" (644mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Bethany, Missouri, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Bethany aggregates 0.28" (7mm) of snow. In Bethany, during the entire year, snow falls for 26.5 days and aggregates up to 12.64" (321mm) of snow.

Daylight

In May, the average length of the day in Bethany is 14h and 26min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:39 pm CDT.

Sunshine

In May, the average sunshine in Bethany is 8.5h.

UV index

The average daily maximum UV index in May in Bethany is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Bethany?

In May, the average high-temperature and low-temperature are 71.1°F (21.7°C) and 54.1°F (12.3°C) respectively.

What is the average humidity in May in Bethany?

The average relative humidity in May in Bethany is 80%.

How many days does it rain in May in Bethany?

In Bethany, Missouri, in May, it is raining for 18 days, with typically 3.62" (92mm) of accumulated precipitation.

What is the last month it snows in Bethany?

May is the last month it regularly snows in Bethany, Missouri. During 0.2 snowfall days, in May, Bethany aggregates 0.28" (7mm) of snow.

How many hours of daylight does Bethany have in May?

The average day length in May in Bethany is 14h and 26min.

When are sunrise and sunset in May in Bethany?

On the first day of May in Bethany, sunrise is at 6:14 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:39 pm CDT.

How long on average sun shines in May in Bethany?

The average sunshine duration in May in Bethany is 8.5h.

How high is the UV index in May in Bethany?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bethany, MO

Average temperature in May - Bethany, MO
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in May
Bethany, MO

Average pressure in May - Bethany, MO
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Bethany, MO

Average wind speed in May - Bethany, MO
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in May
Bethany, MO

Average humidity in May - Bethany, MO
  • Average humidity in May: 80%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Bethany, MO

Average rainfall in May - Bethany, MO
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").

Average rainfall days in May
Bethany, MO

Average rainfall days in May - Bethany, MO
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in May
Bethany, MO

Average snowfall in May - Bethany, MO
  • Average snowfall in May: 0.28"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Bethany, MO

Average snowfall days in May - Bethany, MO
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Bethany, MO

Average daylight in May / Average sunshine in May - Bethany, MO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 3min

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).

Average sunshine days in May
Bethany, MO

Average sunshine days in May - Bethany, MO
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May
Bethany, MO

Average UV index in May - Bethany, MO
  • 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).

Average cloud cover in May
Bethany, MO

Average cloud cover in May - Bethany, MO
  • Average cloud cover in May: 41

The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Bethany, MO

Average visibility in May - Bethany, MO
  • 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).

Bethany, Missouri, USA

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