Climate and monthly weather forecastWashington, IN
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Washington, Indiana, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 24.4°F (-4.2°C). January, characterized by an average high temperature of 37°F (2.8°C) and a low temperature of 24.4°F (-4.2°C), is generally the coldest month. Weather in January »Weather in February
February, the last month of the winter in Washington, is another cold month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 42.1°F (5.6°C). Washington's average high-temperature in February is a still icy 42.1°F (5.6°C), marking an insignificant difference from the 37°F (2.8°C) of January. Weather in February »Weather in March
March, the first month of the spring in Washington, is a fresh month, with an average temperature ranging between min 37.8°F (3.2°C) and max 53.1°F (11.7°C). As February transitions into March, Washington sees a rise in the average high-temperature, moving from an icy 42.1°F (5.6°C) to a fresh 53.1°F (11.7°C). Weather in March »Weather in April
April is a comfortable spring month in Washington, Indiana, with an average temperature varying between 47.3°F (8.5°C) and 64.2°F (17.9°C). With the beginning of April, Washington's average high-temperature sees an increase, transitioning from a cool 53.1°F (11.7°C) in March to a refreshing 64.2°F (17.9°C). Weather in April »Weather in May
May, the last month of the spring in Washington, is a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 73.9°F (23.3°C). The shift into May brings an increase in the average high-temperature, moving from an enjoyable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in Washington, is also a moderately hot month, with an average temperature fluctuating between 82°F (27.8°C) and 64.9°F (18.3°C). Washington perceives a slight temperature ascent during June, with average high-temperatures adjusting from a moderately hot 73.9°F (23.3°C) in May to a still warm 82°F (27.8°C). Weather in June »Weather in July
July, like June, in Washington, Indiana, is a moderately hot summer month, with an average temperature varying between 84.6°F (29.2°C) and 66.9°F (19.4°C). The highest temperatures are recorded in July, with averages reaching a high of 84.6°F (29.2°C) and a low of 66.9°F (19.4°C). July's mean heat index is appraised at a sweltering 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in Washington, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 65.5°F (18.6°C). August begins with an average high-temperature of a still moderately hot 83.5°F (28.6°C), reflecting close similarity to the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Washington, is still a warm month, with an average temperature varying between 78.6°F (25.9°C) and 60.1°F (15.6°C). With the onset of September, a modest change to a still warm 78.6°F (25.9°C) from August's 83.5°F (28.6°C) is noted in high-temperature. Weather in September »Weather in October
October, like September, in Washington, Indiana, is another comfortable autumn month, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 48.6°F (9.2°C). With October's onset, the average high-temperature recedes from September's warm 78.6°F (25.9°C) to an enjoyable 66°F (18.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Washington, Indiana, with an average temperature ranging between max 51.8°F (11°C) and min 37.8°F (3.2°C). The shift to November brings a decrease in the average high-temperature, falling from an enjoyable 66°F (18.9°C) in October to a fresh 51.8°F (11°C). Weather in November »Weather in December
December, the first month of the winter in Washington, is also a wintry month, with an average temperature ranging between min 30.9°F (-0.6°C) and max 42.3°F (5.7°C). Start of December brings a shift in the average high-temperature, falling from November's fresh 51.8°F (11°C) to an icy 42.3°F (5.7°C). Weather in December »Updated: Feb 12, 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
Washington's temperature records reveal January as the coldest month, marked by average highs of 37°F (2.8°C) and lows of 24.4°F (-4.2°C).
In Washington, Indiana, during the entire year, the rain falls for 153.1 days and collects up to 31.02" (788mm) of precipitation.
January through April, November and December are months with snowfall in Washington, Indiana.
January is the month with the most snowfall. Snow falls for 7.1 days and accumulates 1.69" (43mm) of snow.
Throughout the year, in Washington, Indiana, there are 24.8 snowfall days, and 6.65" (169mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April is the month with the most rainfall in Washington, Indiana. Rain falls for 16 days and accumulates 3.98" (101mm) of precipitation.
May is the most humid month, with an average relative humidity of 81%.
In Washington, snow does not fall in May through October.
June has the longest days of the year in Washington, with an average of 14h and 48min of daylight.
With an average of 10.5h of sunshine, June has the most sunshine of the year.
The months with the highest UV index in Washington are June through August, with an average maximum UV index of 6.
July, recording an average high temperature of 84.6°F (29.2°C) and a low temperature of 66.9°F (19.4°C), is Washington's warmest month.
The month with the least rainfall in Washington, Indiana, is September, when the rain falls for 11.5 days and typically collects 1.61" (41mm) of precipitation.
The least humid month is October, with an average relative humidity of 72%.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Washington.
December has the least sunshine of the year in Washington, with an average of 4.5h of sunshine.
Average temperature
Washington, IN
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure
Washington, IN
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"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:
30.13"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
Washington, IN
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.6mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.4mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity
Washington, IN
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Washington, IN
- Average rainfall in January:
2.24" - Average rainfall in February:
2.24" - Average rainfall in March:
2.64" - Average rainfall in April:
3.98" - Average rainfall in May:
3.31" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.28" - Average rainfall in September:
1.61" - Average rainfall in October:
2.09" - Average rainfall in November:
2.32" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Washington, IN
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Washington, IN
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Washington, IN
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
6.9 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Washington, IN
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 January:
4h and 36min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 18min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 12min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days
Washington, IN
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.6 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Washington, IN
The months with the highest UV index are 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
Washington, IN
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Washington, 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).
