May weather forecast
Galena, IN

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Weather in May

May, the last month of the spring in Galena, is a warm month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 56.8°F (13.8°C).

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's enjoyable 65.8°F (18.8°C) to a warm 75°F (23.9°C). Throughout the month of May, Galena witnesses an average low-temperature of 56.8°F (13.8°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Galena, during May, the rain falls for 19 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 162.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.

Snowfall

In Galena, snow does not fall in May through September.

Daylight

In Galena, Indiana, the average length of the day in May is 14h and 16min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:35 pm. On the last day of May, in Galena, sunrise is at 6:21 am and sunset at 9:01 pm EDT.

Sunshine

The average sunshine in May in Galena is 8.8h.

UV index

The months with the highest UV index in Galena are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are May temperatures in Galena?

The average high-temperature and low-temperature during May are 75°F (23.9°C) and 56.8°F (13.8°C) respectively.

What is the average humidity in May in Galena?

The average relative humidity in May in Galena, Indiana, is 79%.

How many days does it rain in May in Galena?

In May, the rain falls for 19 days. Throughout May, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Galena?

May through September are months without snowfall in Galena.

Does it snow in Galena in May?

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

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

The average day length in May in Galena, Indiana, is 14h and 16min.

When is the sunrise / sunset in May in Galena?

On the first day of May in Galena, Indiana, sunrise is at 6:45 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 9:01 pm EDT.

How many hours of sunshine does Galena have in May?

In May, the average sunshine duration in Galena, Indiana, is 8.8h.

What is the month with the highest UV index in Galena?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May in Galena?

In Galena, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Galena, IN

Average temperature in May - Galena, IN
  • Average high temperature in May: 75°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in May: 56.8°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in May
Galena, IN

Average pressure in May - Galena, IN
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Galena, IN

Average wind speed in May - Galena, IN
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in May
Galena, IN

Average humidity in May - Galena, IN
  • Average humidity in May: 79%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in May
Galena, IN

Average rainfall in May - Galena, IN
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Galena, IN

Average rainfall days in May - Galena, IN
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (10.3 days).

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Average snowfall in May
Galena, IN

Average snowfall in May - Galena, IN
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Galena, IN

Average snowfall days in May - Galena, IN
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Galena, IN

Average daylight in May / Average sunshine in May - Galena, IN
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in May
Galena, IN

Average sunshine days in May - Galena, IN
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in May
Galena, IN

Average UV index in May - Galena, IN
  • Average UV index in May: 6

The months with the highest UV index are May, 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
Galena, IN

Average cloud cover in May - Galena, IN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Galena, IN

Average visibility in May - Galena, IN
  • Average visibility in May: 5mi

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

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Galena, Indiana, USA

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