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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, like December, is another subzero cold winter month in Ione, Washington, with an average temperature varying between 28.4°F (-2°C) and 15.8°F (-9°C). The commencement of January brings an average high-temperature of a still freezing cold 28.4°F (-2°C), marking an inconsequential divergence from December. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Ione, Washington, with an average temperature fluctuating between 14.4°F (-9.8°C) and 29.7°F (-1.3°C). Transitioning into February, Ione experiences an average high-temperature of a still subzero cold 29.7°F (-1.3°C), marking a minor shift from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Ione, Washington, with an average temperature varying between 21.6°F (-5.8°C) and 37.6°F (3.1°C). The shift into March is accompanied by a modest temperature increase, with the average high-temperature edging up from a subzero cold 29.7°F (-1.3°C) in February to a cold 37.6°F (3.1°C). Weather in March »
Weather in April
April is a chilly spring month in Ione, Washington, with an average temperature ranging between max 47.7°F (8.7°C) and min 26.8°F (-2.9°C). April brings a rise in the average high-temperature, transitioning from March's cold 37.6°F (3.1°C) to a chilly 47.7°F (8.7°C). Weather in April »
Weather in May
May, the last month of the spring in Ione, is a moderate month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 60.4°F (15.8°C). As Ione transitions into May, the average high-temperature shows a change, moving from a chilly 47.7°F (8.7°C) in April to a mild 60.4°F (15.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Ione, Washington, with an average temperature ranging between max 66°F (18.9°C) and min 39.7°F (4.3°C). Ione's transition into June sees a mild rise in the average high-temperature, edging from a refreshing 60.4°F (15.8°C) in May to a comfortable 66°F (18.9°C). Weather in June »
Weather in July
July is a warm summer month in Ione, Washington, with an average temperature fluctuating between 77°F (25°C) and 45.1°F (7.3°C). In Ione, the month of July registers the highest temperatures, averaging 77°F (25°C) at the peak and 45.1°F (7.3°C) at the lowest. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Ione, Washington, with an average temperature varying between 76.8°F (24.9°C) and 46.6°F (8.1°C). August's arrival brings an average high-temperature of a still moderately hot 76.8°F (24.9°C), slightly deviating from July's 77°F (25°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Ione, Washington, with an average temperature fluctuating between 39.4°F (4.1°C) and 66°F (18.9°C). As Ione enters September, the average high-temperature decreases from the a moderately hot 76.8°F (24.9°C) of August to a comfortable 66°F (18.9°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Ione, Washington, with temperature in the range of an average high of 49.5°F (9.7°C) and an average low of 31.1°F (-0.5°C). The arrival of October signals a clear decrease in the average high-temperature, falling from an enjoyable 66°F (18.9°C) in September to a chilly 49.5°F (9.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Ione, Washington, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 23.4°F (-4.8°C). The arrival of November corresponds with a shift in temperature, down from a chilly 49.5°F (9.7°C) in October to an icy 35.2°F (1.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Ione, Washington, with an average temperature varying between 26.6°F (-3°C) and 15.3°F (-9.3°C). Ione notes the coldest temperatures in December, with a high average of 26.6°F (-3°C) and a low of 15.3°F (-9.3°C). Weather in December »
Updated: Aug 3, 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 most humid month?
January is the most humid month, with an average relative humidity of 95%.
How many days does it rain?
Throughout the year, there are 147.3 rainfall days, and 20.12" (511mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
When does it snow the most?
The month with the most snowfall in Ione is January, when snow falls for 18.8 days and typically aggregates up to 11.77" (299mm) of snow.
How much does it snow?
In Ione, during the entire year, snow falls for 95.8 days and aggregates up to 50.39" (1280mm) of snow.
What is the month with the least sunshine?
With an average of 3.1h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
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 PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 17 days and accumulates 2.52" (64mm) of precipitation.
When it does not snow in Ione?
In Ione, snow does not fall in June through August.
When are the longest days?
June has the longest days of the year in Ione, Washington, with an average of 16h and 6min of daylight.
What part of the year is the hottest?
July is the warmest month, exhibiting average temperatures of 77°F (25°C) at the peak and 45.1°F (7.3°C) at the base.
When is the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 6.
What is the least humid month in Ione?
The least humid month is August, with an average relative humidity of 55%.
What is the driest month in Ione?
The month with the least rainfall is August, when the rain falls for 8.2 days and typically collects 0.59" (15mm) of precipitation.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 12h of sunshine.
What are the coldest months?
During the coldest month in Ione, December, temperatures average a high of 26.6°F (-3°C) and a low of 15.3°F (-9.3°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 18min of daylight.
Average temperature
Ione, WA
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.6°F).
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure
Ione, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Ione, WA
- Average wind speed in January:
3.2mph - Average wind speed in February:
3.4mph - Average wind speed in March:
3.8mph - Average wind speed in April:
3.9mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.5mph - Average wind speed in October:
3.4mph - Average wind speed in November:
3.5mph - Average wind speed in December:
3.2mph
The windiest months (with the highest average wind speed) are April, May and June (3.9mph).
The calmest months (with the lowest average wind speed) are January and December (3.2mph).
Average humidity
Ione, WA
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Ione, WA
- Average rainfall in January:
1.93" - Average rainfall in February:
1.3" - Average rainfall in March:
1.93" - Average rainfall in April:
1.85" - Average rainfall in May:
2.52" - Average rainfall in June:
2.09"
- Average rainfall in July:
1.22" - Average rainfall in August:
0.59" - Average rainfall in September:
1.06" - Average rainfall in October:
1.61" - Average rainfall in November:
2.17" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is August (0.59").
Average rainfall days
Ione, WA
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
18.5 days - Average rainfall days in May:
17 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
9.8 days - Average rainfall days in August:
8.2 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
12.3 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is April (18.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall
Ione, WA
- Average snowfall in January:
11.77" - Average snowfall in February:
8.39" - Average snowfall in March:
7.99" - Average snowfall in April:
2.72" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is January (11.77").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Ione, WA
- Average snowfall days in January:
18.8 days - Average snowfall days in February:
17.7 days - Average snowfall days in March:
15.8 days - Average snowfall days in April:
6.1 days - Average snowfall days in May:
0.7 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:
0.2 days - Average snowfall days in October:
2.3 days - Average snowfall days in November:
13.5 days - Average snowfall days in December:
20.7 days
The month with the highest number of snowfall days is December (20.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Ione, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 1min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
12h and 0min - Average sunshine in September:
9h and 5min - Average sunshine in October:
6h and 1min - Average sunshine in November:
4h and 1min - Average sunshine in December:
3h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Ione, WA
- Average sunshine days in January:
10 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
7.8 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
20.2 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is March (7.6 days).
Average UV index
Ione, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Ione, WA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Ione, WA
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Ione, Washington, USA
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