May weather forecast
Tiffin, OH

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Weather in May

The last month of the spring, May, is an agreeable month in Tiffin, Ohio, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 52.9°F (11.6°C).

Temperature

The commencement of May sees a shift in the average high-temperature, moving from a refreshing 57.4°F (14.1°C) in April to a pleasant 69.1°F (20.6°C). In Tiffin, the May nights cool down to an average low of 52.9°F (11.6°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Tiffin, in May, it is raining for 19 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Tiffin, there are 172.5 rainfall days, and 29.88" (759mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Tiffin. May is the last month it regularly snows. During 0.1 snowfall days, in May, Tiffin aggregates 0.04" (1mm) of snow. Throughout the year, there are 54 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

In Tiffin, the average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 6:29 am and sunset at 8:30 pm. On the last day of May, sunrise is at 6:02 am and sunset at 8:58 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are May temperatures in Tiffin?

In May, in Tiffin, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in May in Tiffin?

The average relative humidity in May is 77%.

How much does it rain in Tiffin in May?

In Tiffin, in May, during 19 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

What is the last month it snows in Tiffin?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Tiffin aggregates 0.04" (1mm) of snow.

How many hours of daylight does Tiffin have in May?

The average day length in May is 14h and 30min.

When is the sunrise / sunset in May in Tiffin?

On the first day of May in Tiffin, Ohio, sunrise is at 6:29 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:58 pm EDT.

How many hours of sunshine does Tiffin have in May?

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

How high is the UV index in May in Tiffin?

In Tiffin, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Tiffin, OH

Average temperature in May - Tiffin, OH
  • Average high temperature in May: 69.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 52.9°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in May
Tiffin, OH

Average pressure in May - Tiffin, OH
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Tiffin, OH

Average wind speed in May - Tiffin, OH
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in May
Tiffin, OH

Average humidity in May - Tiffin, OH
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Tiffin, OH

Average rainfall in May - Tiffin, OH
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in May
Tiffin, OH

Average rainfall days in May - Tiffin, OH
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Tiffin, OH

Average snowfall in May - Tiffin, OH
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Tiffin, OH

Average snowfall days in May - Tiffin, OH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (15 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
Tiffin, OH

Average daylight in May / Average sunshine in May - Tiffin, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in May
Tiffin, OH

Average sunshine days in May - Tiffin, OH
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is November (15 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in May
Tiffin, OH

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

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

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Average cloud cover in May
Tiffin, OH

Average cloud cover in May - Tiffin, OH
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in May
Tiffin, OH

Average visibility in May - Tiffin, OH
  • Average visibility in May: 6mi

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

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Tiffin, Ohio, USA

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