Climate and monthly weather forecastGriffith, IN
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Griffith, Indiana, with an average temperature varying between 30°F (-1.1°C) and 18.9°F (-7.3°C). Griffith's January weather, marked by an average high temperature of 30°F (-1.1°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest in the year. Weather in January »Weather in February
The last month of the winter, February, is an icy month in Griffith, Indiana, with an average temperature ranging between max 33.4°F (0.8°C) and min 21.4°F (-5.9°C). February's presence marks an average high-temperature of a wintry 33.4°F (0.8°C), subtly varied from January's 30°F (-1.1°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Griffith, Indiana, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 45.9°F (7.7°C). Griffith in March experiences an increase in the average high-temperature, moving from February's cold 33.4°F (0.8°C) to a frosty 45.9°F (7.7°C). Weather in March »Weather in April
April is a moderate spring month in Griffith, Indiana, with an average temperature ranging between max 56.8°F (13.8°C) and min 41.7°F (5.4°C). With the onset of April, Griffith experiences a temperature shift, with the average high-temperature moving from a frosty 45.9°F (7.7°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Griffith, Indiana, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.3°F (11.3°C). As Griffith transitions into May, a rise in the average high-temperature is observed, moving from a mild 56.8°F (13.8°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »Weather in June
June, the first month of the summer in Griffith, is a warm month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 61.2°F (16.2°C). Observing a rise in June, the average high-temperature goes from May's agreeable 69.3°F (20.7°C) to a moderately hot 78.4°F (25.8°C). Weather in June »Weather in July
July, like June, in Griffith, Indiana, is a moderately hot summer month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 81.5°F (27.5°C). Griffith registers the highest average temperatures during the month of July, with peaks of 81.5°F (27.5°C) and lows of 65.5°F (18.6°C). During July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Griffith, Indiana, with an average temperature ranging between min 64°F (17.8°C) and max 79.5°F (26.4°C). A minimal variation is noted in Griffith's average high-temperature at the onset of August, reaching a still moderately hot 79.5°F (26.4°C) from July's 81.5°F (27.5°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Griffith, Indiana, with an average temperature fluctuating between 57.7°F (14.3°C) and 73.9°F (23.3°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 79.5°F (26.4°C) to a still moderately hot 73.9°F (23.3°C). Weather in September »Weather in October
October, like September, in Griffith, Indiana, is another enjoyable autumn month, with an average temperature varying between 47.1°F (8.4°C) and 61.3°F (16.3°C). A subtle decrease in the average high-temperature marks October, falling from September's moderately hot 73.9°F (23.3°C) to a refreshing 61.3°F (16.3°C). Weather in October »Weather in November
November, the last month of the autumn in Griffith, is also a frosty month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 47.1°F (8.4°C). In Griffith, the average high-temperature in November drops from a comfortable 61.3°F (16.3°C) in October to a chilly 47.1°F (8.4°C). Weather in November »Weather in December
December, the first month of the winter in Griffith, is still a cold month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 26.6°F (-3°C). In Griffith, the average high-temperature in December decreases from a chilly 47.1°F (8.4°C) in November to an icy 36°F (2.2°C). Weather in December »Updated: Jun 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
Griffith's temperature records reveal January as the coldest month, marked by average highs of 30°F (-1.1°C) and lows of 18.9°F (-7.3°C).
Throughout the year, there are 146.6 rainfall days, and 23.31" (592mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
In Griffith, during the entire year, snow falls for 45.5 days and aggregates up to 12.64" (321mm) of snow.
January has the least sunshine of the year, with an average of 3.5h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
The most humid month is February, with an average relative humidity of 83%.
February is the month with the most snowfall. Snow falls for 11.3 days and accumulates 3.5" (89mm) of snow.
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.
May through September are months without snowfall.
June is the month with the most rainfall. Rain falls for 16.6 days and accumulates 3.15" (80mm) of precipitation.
June has the longest days of the year, with an average of 15h and 6min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
July temperatures tend to peak at an average high of 81.5°F (27.5°C) and dip to a low of 65.5°F (18.6°C).
The month with the most sunshine is August, with an average of 9.8h of sunshine.
With an average relative humidity of 73%, October is the least humid month.
The month with the least rainfall is November, when the rain falls for 9.2 days and typically collects 1.06" (27mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Griffith, IN
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Griffith, IN
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Griffith, IN
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Griffith, IN
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Griffith, IN
- Average rainfall in January:
1.1" - Average rainfall in February:
1.18" - Average rainfall in March:
1.26" - Average rainfall in April:
2.44" - Average rainfall in May:
3.03" - Average rainfall in June:
3.15"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.48" - Average rainfall in September:
1.85" - Average rainfall in October:
1.81" - Average rainfall in November:
1.06" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days
Griffith, IN
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Griffith, IN
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Griffith, IN
- Average snowfall days in January:
12.4 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
1.8 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:
0.4 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Griffith, IN
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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 12min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Griffith, IN
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12 days - Average sunshine days in May:
12 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
10.2 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).
Average UV index
Griffith, IN
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Griffith, IN
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Griffith, IN
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
