Climate and monthly weather forecastLafayette, OR
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Lafayette, Oregon, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 46°F (7.8°C). The advent of January brings an average high-temperature of a still frosty 46°F (7.8°C), almost identical to the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Lafayette, Oregon, with an average temperature varying between 35.1°F (1.7°C) and 47.8°F (8.8°C). Lafayette's shift into February sets the average high-temperature at a still chilly 47.8°F (8.8°C), a figure that deviates only slightly from January's 46°F (7.8°C). Weather in February »Weather in March
March, the first month of the spring in Lafayette, is a cool month, with an average temperature fluctuating between 37°F (2.8°C) and 51.6°F (10.9°C). Lafayette commences March with an average high-temperature of a fresh 51.6°F (10.9°C), maintaining a close resemblance to the previous month. Weather in March »Weather in April
April in Lafayette, Oregon, is a moderate spring month, with an average temperature varying between 57.7°F (14.3°C) and 38.8°F (3.8°C). April signals a minor shift in the average high-temperature, moving from March's fresh 51.6°F (10.9°C) to a mild 57.7°F (14.3°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Lafayette, Oregon, with an average temperature varying between 66°F (18.9°C) and 43.3°F (6.3°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a moderate 57.7°F (14.3°C) in April to a still refreshing 66°F (18.9°C). Weather in May »Weather in June
June, the first month of the summer in Lafayette, is a pleasant month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 71.2°F (21.8°C). The arrival of June marks a slight shift to an average high-temperature of an agreeable 71.2°F (21.8°C) from May's 66°F (18.9°C). Weather in June »Weather in July
July in Lafayette, Oregon, is a warm summer month, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 79.2°F (26.2°C). The start of July is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 71.2°F (21.8°C) in June to a warm 79.2°F (26.2°C). Weather in July »Weather in August
August, the last month of the summer in Lafayette, is also a moderately hot month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 81.1°F (27.3°C). In Lafayette, the month of August registers the highest temperatures, averaging 81.1°F (27.3°C) at the peak and 54.3°F (12.4°C) at the lowest. August's average heat index is computed to be 84.2°F (29°C). Weather in August »Weather in September
September, the first month of the autumn in Lafayette, is also a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 50.5°F (10.3°C). September brings a minor shift in the average high-temperature, adjusting from 81.1°F (27.3°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Lafayette, Oregon, with an average temperature varying between 61.2°F (16.2°C) and 45°F (7.2°C). The transition into October indicates a reduction in the average high-temperature, down to a refreshing 61.2°F (16.2°C) from September's warm 73.4°F (23°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Lafayette, Oregon, with an average temperature ranging between max 50.5°F (10.3°C) and min 39.4°F (4.1°C). The move into November indicates a reduction in the average high-temperature, down from October's refreshing 61.2°F (16.2°C) to a fresh 50.5°F (10.3°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Lafayette, Oregon, with an average temperature ranging between min 34.3°F (1.3°C) and max 44.1°F (6.7°C). In Lafayette, December is the month with the lowest recorded average temperatures, measuring a high of 44.1°F (6.7°C) and a low of 34.3°F (1.3°C). Weather in December »Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 172.2 rainfall days, and 28.9" (734mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
In Lafayette, during the entire year, snow falls for 5.3 days and aggregates up to 3.19" (81mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The months with the highest humidity are February and December, with an average relative humidity of 87%.
February is the month with the most snowfall. Snow falls for 2 days and accumulates 1.38" (35mm) of snow.
February has the least sunshine of the year, with an average of 3.9h of sunshine.
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.
April through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 36min of daylight.
The months with the least rainfall are July and August Rain falls for 4.8 days and accumulates 0.35" (9mm) of rain.
With an average maximum UV index of 6, July is the month with the highest UV index.
August, noted for its average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 54.3°F (12.4°C), is considered the warmest month.
With an average relative humidity of 67%, August is the least humid month in Lafayette.
August has the most sunshine of the year, with an average of 10.8h of sunshine.
December, with its average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 34.3°F (1.3°C), holds the record as the coldest month.
The month with the most rainfall is December, when the rain falls for 19.3 days and typically aggregates up to 4.49" (114mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 48min of daylight.
Average temperature
Lafayette, 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 (44.1°F).
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure
Lafayette, OR
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.05"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed
Lafayette, OR
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.2mph - Average wind speed in April:
4.8mph - Average wind speed in May:
4.3mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
4mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5.1mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Lafayette, OR
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall
Lafayette, OR
- Average rainfall in January:
4.41" - Average rainfall in February:
3.11" - Average rainfall in March:
3.43" - Average rainfall in April:
2.6" - Average rainfall in May:
1.65" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.35" - Average rainfall in September:
1.42" - Average rainfall in October:
2.8" - Average rainfall in November:
3.15" - Average rainfall in December:
4.49"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days
Lafayette, OR
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
17.3 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
19.2 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
4.8 days - Average rainfall days in August:
4.6 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
15 days - Average rainfall days in November:
18.8 days - Average rainfall days in December:
19.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.6 days).
Average snowfall
Lafayette, OR
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Lafayette, OR
- Average snowfall days in January:
1 days - Average snowfall days in February:
2 days - Average snowfall days in March:
1.3 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:
0.5 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Lafayette, OR
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 36min - Average sunshine in December:
4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days
Lafayette, OR
- Average sunshine days in January:
10.6 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
24.1 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
10.1 days - Average sunshine days in December:
9.7 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (8.4 days).
Average UV index
Lafayette, 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
Lafayette, OR
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Lafayette, OR
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
