Climate and monthly weather forecastTiller, OR
Climate and monthly weather forecast
Weather in January
January, the same as December, in Tiller, Oregon, is another chilly winter month, with an average temperature fluctuating between 47.8°F (8.8°C) and 33.4°F (0.8°C). Tiller notes an average high-temperature of a still frosty 47.8°F (8.8°C) in January, hardly diverging from December. Weather in January »Weather in February
February, the last month of the winter in Tiller, is another chilly month, with an average temperature fluctuating between 49.1°F (9.5°C) and 32.9°F (0.5°C). The transition into February is marked with an average high-temperature of a still chilly 49.1°F (9.5°C), showing an insignificant shift from January's 47.8°F (8.8°C). Weather in February »Weather in March
March, the first month of the spring in Tiller, is a cool month, with an average temperature fluctuating between 52.7°F (11.5°C) and 34°F (1.1°C). The arrival of March sees a recorded average high-temperature of a fresh 52.7°F (11.5°C), showing little divergence from the previous month's conditions. Weather in March »Weather in April
April is a refreshing spring month in Tiller, Oregon, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 57.4°F (14.1°C). The onset of April manifests an average high-temperature of a refreshing 57.4°F (14.1°C), demonstrating a minor variation from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Tiller, Oregon, with an average temperature fluctuating between 64.9°F (18.3°C) and 39°F (3.9°C). May showcases a minor temperature ascent, adjusting from April's mild 57.4°F (14.1°C) to a still refreshing 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Tiller, is a pleasant month, with an average temperature ranging between min 43°F (6.1°C) and max 71.2°F (21.8°C). Tiller's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's refreshing 64.9°F (18.3°C) to an agreeable 71.2°F (21.8°C). Weather in June »Weather in July
July is a moderately hot summer month in Tiller, Oregon, with an average temperature fluctuating between 47.1°F (8.4°C) and 79.9°F (26.6°C). July witnesses a minor rise in the average high-temperature, transitioning from a pleasant 71.2°F (21.8°C) in June to a warm 79.9°F (26.6°C). Weather in July »Weather in August
August, the last month of the summer in Tiller, is also a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 47.7°F (8.7°C). The warmest period is August, when temperatures fluctuate between an average high of 81.1°F (27.3°C) and a low of 47.7°F (8.7°C). August's average heat index is appraised at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Tiller, Oregon, with an average temperature ranging between max 74.5°F (23.6°C) and min 44.8°F (7.1°C). A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.5°F (23.6°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Tiller, Oregon, with an average temperature varying between 63.5°F (17.5°C) and 40.8°F (4.9°C). Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 74.5°F (23.6°C) to a refreshing 63.5°F (17.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Tiller, Oregon, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 52.7°F (11.5°C). November comes with a drop in the average high-temperature, falling from October's comfortable 63.5°F (17.5°C) to a fresh 52.7°F (11.5°C). Weather in November »Weather in December
December, the first month of the winter in Tiller, is still a chilly month, with an average temperature varying between 45.7°F (7.6°C) and 32.2°F (0.1°C). Tiller notes the coldest temperatures in December, with a high average of 45.7°F (7.6°C) and a low of 32.2°F (0.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Tiller, OR
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).
The month with the highest average low temperature is August (47.7°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure
Tiller, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Tiller, OR
- Average wind speed in January:
4.1mph - Average wind speed in February:
3.8mph - Average wind speed in March:
4mph - Average wind speed in April:
3.8mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.7mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.2mph - Average wind speed in October:
3.3mph - Average wind speed in November:
3.7mph - Average wind speed in December:
3.9mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity
Tiller, OR
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Tiller, OR
- Average rainfall in January:
1.1" - Average rainfall in February:
1.1" - Average rainfall in March:
0.91" - Average rainfall in April:
0.71" - Average rainfall in May:
0.59" - Average rainfall in June:
0.35"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.16" - Average rainfall in September:
0.31" - Average rainfall in October:
0.39" - Average rainfall in November:
0.75" - Average rainfall in December:
1.1"
The wettest months (with the highest rainfall) are January, February and December (1.1").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days
Tiller, OR
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
8 days - Average rainfall days in June:
6.3 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.4 days - Average rainfall days in September:
3.6 days - Average rainfall days in October:
6.1 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (2.4 days).
Average snowfall
Tiller, OR
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Tiller, OR
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
1.5 days - Average snowfall days in March:
0.6 days - Average snowfall days in April:
0 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Tiller, OR
- Average daylight in January:
9h and 30min - 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 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
11h and 18min - Average sunshine in September:
9h and 42min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days
Tiller, OR
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
20.6 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26.5 days - Average sunshine days in September:
25.9 days - Average sunshine days in October:
23.2 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is March (16.1 days).
Average UV index
Tiller, OR
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 2).
Average cloud cover
Tiller, OR
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility
Tiller, OR
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).





