May weather forecastBrilliant, OH

May

Weather in May

Brilliant, Ohio welcomes May with much cheer as warm weather becomes the norm across the city. Temperatures continue their upward trend, soaring from 50.9°F (10.5°C) to a delightful 72.3°F (22.4°C). The city breathes a sigh of relief as it finally sheds the last vestiges of the cold, entering the full glow of spring. With the rise in temperature, residents begin spending more time outdoors, savoring the pleasant weather. There is a vibrancy in the air, and May stands as a symbol of the long-awaited summer days just around the corner.

Temperature

May's onset brings a rise in the average high-temperature, moving from a mild 60.3°F (15.7°C) in April to an agreeable 72.3°F (22.4°C). During May, Brilliant experiences a consistent low-temperature average of 50.9°F (10.5°C).

Humidity

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

Rainfall

In Brilliant, during May, the rain falls for 20.5 days and regularly aggregates up to 3.15" (80mm) of precipitation. Throughout the year, there are 182.9 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

In Brilliant, Ohio, snow does not fall in May through September.

Daylight

In Brilliant, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:45 pm EDT.

Sunshine

The average sunshine in May in Brilliant is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in May translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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

The average high-temperature, in May, in Brilliant, is 72.3°F (22.4°C), while the average low-temperature is 50.9°F (10.5°C).

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

In Brilliant, in May, it is raining for 20.5 days, with typically 3.15" (80mm) of accumulated precipitation.

In Brilliant, Ohio, snow does not fall in May through September.

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

In Brilliant, the average day length in May is 14h and 26min.

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of the month, in Brilliant, Ohio, sunrise is at 5:54 am and sunset at 8:45 pm EDT.

The average sunshine duration in May is 8.7h.

In Brilliant, Ohio, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

60.3°F

72.3°F

78.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8mph

6.5mph

6.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.3

8.6

10.2

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Brilliant, OH

Average high temperature in May: 72.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in May
Brilliant, 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 (29.95"Hg).

Average wind speed in May
Brilliant, OH

Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in May
Brilliant, OH

Average humidity in May: 79%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Brilliant, OH

Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is April (3.5").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in May
Brilliant, OH

Average rainfall days in May: 20.5 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is November (11.1 days).

Average snowfall in May
Brilliant, OH

Average snowfall in May: 0"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Brilliant, OH

Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May: 14h and 24min

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 42min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).