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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Griffin, Indiana, with an average temperature fluctuating between 25.7°F (-3.5°C) and 38.1°F (3.4°C). January is the coldest month, with the temperature often reaching an average high of 38.1°F (3.4°C) and an average low of 25.7°F (-3.5°C). Weather in January »
Weather in February
February, the last month of the winter in Griffin, is a frosty month, with an average temperature varying between 43.2°F (6.2°C) and 29.5°F (-1.4°C). The transition into February marks the average high-temperature at a frosty 43.2°F (6.2°C), differing minimally from January's 38.1°F (3.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Griffin, Indiana, with an average temperature fluctuating between 38.8°F (3.8°C) and 54.1°F (12.3°C). The onset of March brings a temperature shift, with the average high-temperature moving from a chilly 43.2°F (6.2°C) in February to a fresh 54.1°F (12.3°C). Weather in March »
Weather in April
April in Griffin, Indiana, is a comfortable spring month, with an average temperature fluctuating between 48.7°F (9.3°C) and 65.3°F (18.5°C). April's arrival coincides with a rise in the average high-temperature, moving from March's fresh 54.1°F (12.3°C) to a refreshing 65.3°F (18.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Griffin, Indiana, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 58.3°F (14.6°C). May indicates a change in the average high-temperature, moving up from an enjoyable 65.3°F (18.5°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Griffin, Indiana, with an average temperature fluctuating between 66.6°F (19.2°C) and 83.1°F (28.4°C). In Griffin, the average high-temperature in June slightly rises, from a moderately hot 74.7°F (23.7°C) in May, to a still warm 83.1°F (28.4°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Griffin, Indiana, with an average temperature ranging between max 85.5°F (29.7°C) and min 68°F (20°C). July, with average temperatures reaching a high of 85.5°F (29.7°C) and a low of 68°F (20°C), is the warmest month. During July, the heat index is estimated at a sweltering 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Griffin, Indiana, with an average temperature varying between 65.8°F (18.8°C) and 84°F (28.9°C). A minor adjustment in Griffin's average high-temperature is noted with the start of August, touching a still warm 84°F (28.9°C) from July's 85.5°F (29.7°C). Weather in August »
Weather in September
September, the first month of the autumn in Griffin, is still a warm month, with an average temperature fluctuating between 60.8°F (16°C) and 79.2°F (26.2°C). Griffin commences September with an average high-temperature of a still warm 79.2°F (26.2°C), maintaining a close resemblance to the previous month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Griffin, Indiana, with an average temperature ranging between max 67.1°F (19.5°C) and min 49.6°F (9.8°C). October's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 79.2°F (26.2°C) in September to a refreshing 67.1°F (19.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Griffin, is also a fresh month, with an average temperature ranging between max 53.1°F (11.7°C) and min 38.3°F (3.5°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a comfortable 67.1°F (19.5°C) to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Griffin, is also a frosty month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 43.5°F (6.4°C). December's onset brings a slight change in high-temperatures, falling from a cool 53.1°F (11.7°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
January proves to be the coldest month in Griffin, recording an average maximum temperature of 38.1°F (3.4°C) and a minimum temperature of 25.7°F (-3.5°C).
How many days does it rain?
In Griffin, during the entire year, the rain falls for 167.7 days and collects up to 38.23" (971mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
Throughout the year, there are 20.5 snowfall days, and 6.06" (154mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.3h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 5.4 days and accumulates 1.54" (39mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
The month with the most rainfall in Griffin is April, when the rain falls for 16.7 days and typically aggregates up to 5.2" (132mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the warmest month?
The warmest month is July, with an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 68°F (20°C).
What is the most humid month?
July is the most humid month, with an average relative humidity of 80%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.
What is the least humid month?
The least humid month is October, with an average relative humidity of 69%.
What is the month with the shortest days?
The month with the shortest days in Griffin, Indiana, is December, with an average of 9h and 36min of daylight.
Average temperature
Griffin, IN
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Griffin, IN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Griffin, IN
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Griffin, IN
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Griffin, IN
- Average rainfall in January:
2.56" - Average rainfall in February:
2.68" - Average rainfall in March:
3.31" - Average rainfall in April:
5.2" - Average rainfall in May:
4.06" - Average rainfall in June:
4.09"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.68" - Average rainfall in September:
1.97" - Average rainfall in October:
2.76" - Average rainfall in November:
2.68" - Average rainfall in December:
3.03"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days
Griffin, IN
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
15.5 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
19.6 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall
Griffin, IN
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Griffin, IN
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Griffin, IN
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 36min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Griffin, IN
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
12 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
8.8 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index
Griffin, IN
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).
Average cloud cover
Griffin, IN
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Griffin, IN
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).
Griffin, Indiana, USA
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