Climate and monthly weather forecastMerrill, OR
Climate and monthly weather forecast
Weather in January
January, like December, in Merrill, Oregon, is a wintry winter month, with an average temperature fluctuating between 39.2°F (4°C) and 25.9°F (-3.4°C). The average high-temperature during January is a still cold 39.2°F (4°C), almost matching the conditions of the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Merrill, Oregon, with an average temperature fluctuating between 41.2°F (5.1°C) and 27.1°F (-2.7°C). Merrill's weather in February, with an average high-temperature of a still cold 41.2°F (5.1°C), subtly shifts from January's 39.2°F (4°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Merrill, Oregon, with an average temperature ranging between max 45.9°F (7.7°C) and min 29.8°F (-1.2°C). Merrill's shift from February to March is accompanied by an average high-temperature of a frosty 45.9°F (7.7°C), a slight deviation from 41.2°F (5.1°C). Weather in March »Weather in April
April is a fresh spring month in Merrill, Oregon, with an average temperature fluctuating between 53.2°F (11.8°C) and 33.3°F (0.7°C). April signifies a subtle uplift in the average high-temperature, adjusting from a frosty 45.9°F (7.7°C) in March to a fresh 53.2°F (11.8°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Merrill, Oregon, with an average temperature varying between 62.6°F (17°C) and 38.7°F (3.7°C). May's arrival sees a rise in the average high-temperature, jumping from April's fresh 53.2°F (11.8°C) to an enjoyable 62.6°F (17°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Merrill, Oregon, with an average temperature ranging between max 71.8°F (22.1°C) and min 43.3°F (6.3°C). With the onset of June, Merrill sees a temperature rise, with the average high-temperature moving from May's refreshing 62.6°F (17°C) to a pleasant 71.8°F (22.1°C). Weather in June »Weather in July
July in Merrill, Oregon, is a moderately hot summer month, with an average temperature fluctuating between 82.9°F (28.3°C) and 49.1°F (9.5°C). July, marked by an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 49.1°F (9.5°C), is the warmest month. The heat index value for July is calculated to be 84.2°F (29°C). Weather in July »Weather in August
August, the last month of the summer in Merrill, is another warm month, with an average temperature fluctuating between 82.8°F (28.2°C) and 49.3°F (9.6°C). At the onset of August, Merrill records an average high-temperature of a still warm 82.8°F (28.2°C), showing little deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Merrill, is still a warm month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 44.1°F (6.7°C). In September, the average high-temperature marginally decreases from 82.8°F (28.2°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »Weather in October
October, the same as September, in Merrill, Oregon, is a moderate autumn month, with an average temperature fluctuating between 36.9°F (2.7°C) and 60.1°F (15.6°C). The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 74.1°F (23.4°C) in September to a mild 60.1°F (15.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Merrill, Oregon, with temperature in the range of an average low of 30.4°F (-0.9°C) and an average high of 46.8°F (8.2°C). Merrill's November weather features a mild decline in high-temperatures, reducing from a mild 60.1°F (15.6°C) in October to a chilly 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Merrill, Oregon, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 25°F (-3.9°C). The lowest temperatures are recorded in December, with averages reaching a high of 37.2°F (2.9°C) and a low of 25°F (-3.9°C). Weather in December »Updated: Jun 4, 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
With an average relative humidity of 83%, January is the most humid month.
Throughout the year, there are 97.4 rainfall days, and 12.01" (305mm) of precipitation is accumulated.
January through June, September through December are months with snowfall.
Throughout the year, there are 64.6 snowfall days, and 38.31" (973mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 5.4h of sunshine.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
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.
The month with the longest days in Merrill is June, with an average of 15h and 12min of daylight.
In Merrill, July is the month with the highest recorded average temperatures, measuring a high of 82.9°F (28.3°C) and a low of 49.1°F (9.5°C).
The month with the least rainfall is July, when the rain falls for 3.7 days and typically collects 0.16" (4mm) of precipitation.
In Merrill, snow does not fall in July and August.
The month with the most sunshine in Merrill is July, with an average of 12.1h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 6.
With an average relative humidity of 47%, August is the least humid month.
Merrill's temperature records reveal December as the coldest month, marked by average highs of 37.2°F (2.9°C) and lows of 25°F (-3.9°C).
December is the month with the most rainfall in Merrill. Rain falls for 10 days and accumulates 1.97" (50mm) of precipitation.
The month with the most snowfall is December, when snow falls for 13.4 days and typically aggregates up to 9.57" (243mm) of snow.
December has the shortest days of the year in Merrill, with an average of 9h and 12min of daylight.
Average temperature
Merrill, OR
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure
Merrill, OR
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).
Average wind speed
Merrill, OR
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.4mph - Average wind speed in May:
6mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.1mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.4mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Merrill, OR
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Merrill, OR
- Average rainfall in January:
1.65" - Average rainfall in February:
1.5" - Average rainfall in March:
1.61" - Average rainfall in April:
1.1" - Average rainfall in May:
1.14" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.2" - Average rainfall in September:
0.39" - Average rainfall in October:
0.75" - Average rainfall in November:
0.98" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Merrill, OR
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
11.1 days - Average rainfall days in June:
6.2 days
- Average rainfall days in July:
3.7 days - Average rainfall days in August:
3.1 days - Average rainfall days in September:
4 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall
Merrill, OR
- Average snowfall in January:
7.8" - Average snowfall in February:
7.91" - Average snowfall in March:
6.38" - Average snowfall in April:
2.2" - Average snowfall in May:
0.39" - Average snowfall in June:
0.08"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days
Merrill, OR
- Average snowfall days in January:
11.4 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
11.3 days - Average snowfall days in April:
5.9 days - Average snowfall days in May:
2 days - Average snowfall days in June:
0.3 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:
1 days - Average snowfall days in November:
7.4 days - Average snowfall days in December:
13.4 days
The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Merrill, 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 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - 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 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 54min - Average sunshine in April:
10h and 12min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Merrill, OR
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
18 days - Average sunshine days in June:
21.1 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
25.7 days - Average sunshine days in September:
24.8 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).
Average UV index
Merrill, OR
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Merrill, OR
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility
Merrill, OR
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
