May weather forecast
Robertsville, OH

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Weather in May

The last month of the spring, May, is a pleasant month in Robertsville, Ohio, with an average temperature ranging between min 50.7°F (10.4°C) and max 70.9°F (21.6°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a mild 59.4°F (15.2°C) in April to a pleasant 70.9°F (21.6°C). The nighttime temperature dips to a fresh 50.7°F (10.4°C) on average during May.

Humidity

The average relative humidity in May in Robertsville is 78%.

Rainfall

In Robertsville, Ohio, in May, it is raining for 19.8 days, with typically 2.99" (76mm) of accumulated precipitation. In Robertsville, during the entire year, the rain falls for 175.9 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Robertsville aggregates 0.12" (3mm) of snow. In Robertsville, during the entire year, snow falls for 65.9 days and aggregates up to 23.86" (606mm) of snow.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of May in Robertsville, Ohio, sunrise is at 6:22 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:49 pm EDT.

Sunshine

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

UV index

In Robertsville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 5 during May leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Robertsville?

The high-temperature, in May, in Robertsville, is 70.9°F (21.6°C), while the low-temperature averages to 50.7°F (10.4°C).

What is the average humidity in May in Robertsville?

In May, the average relative humidity is 78%.

How much does it rain in Robertsville in May?

In Robertsville, Ohio, in May, during 19.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows in Robertsville?

May is the last month it regularly snows in Robertsville. During 0.3 snowfall days, in May, Robertsville aggregates 0.12" (3mm) of snow.

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

In May, the average day length in Robertsville, Ohio, is 14h and 28min.

What time are sunrise and sunset in May in Robertsville?

On the first day of May in Robertsville, sunrise is at 6:22 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:49 pm EDT.

How many hours of sunshine does Robertsville have in May?

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

What is the UV index intensity in May in Robertsville?

In May, the average daily maximum UV index in Robertsville, Ohio, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Robertsville, OH

Average temperature in May - Robertsville, OH
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in May
Robertsville, OH

Average pressure in May - Robertsville, OH
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Robertsville, OH

Average wind speed in May - Robertsville, OH
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Robertsville, OH

Average humidity in May - Robertsville, OH
  • Average humidity in May: 78%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Robertsville, OH

Average rainfall in May - Robertsville, OH
  • Average rainfall in May: 2.99"

The wettest months (with the highest rainfall) are April and June (3.03").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in May
Robertsville, OH

Average rainfall days in May - Robertsville, OH
  • Average rainfall days in May: 19.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in May
Robertsville, OH

Average snowfall in May - Robertsville, OH
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Robertsville, OH

Average snowfall days in May - Robertsville, OH
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Robertsville, OH

Average daylight in May / Average sunshine in May - Robertsville, OH
  • Average daylight in May: 14h and 3min

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 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in May
Robertsville, OH

Average sunshine days in May - Robertsville, OH
  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in May
Robertsville, OH

Average UV index in May - Robertsville, OH
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Robertsville, OH

Average cloud cover in May - Robertsville, OH
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Robertsville, OH

Average visibility in May - Robertsville, OH
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

Robertsville, Ohio, USA

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