Seneca
Oregon, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Seneca, OR

May, the last month of the spring, in Seneca, is a comfortable month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 61.5°F (16.4°C).

Temperature

In May, the average high-temperature marginally rises, from a fresh 53.4°F (11.9°C) in April, to a comfortable 61.5°F (16.4°C). In May, in Seneca, the average low-temperature is 31.5°F (-0.3°C).

Rainfall

In Seneca, in May, during 8 rainfall days, 1.5" (37.3mm) of precipitation is typically accumulated. Throughout the year, there are 90 rainfall days, and 13.1" (333.3mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Seneca. Throughout May, Seneca aggregates 0.7" (17.8mm) of snow. In Seneca, Oregon, during the entire year, snow aggregates up to 57.8" (1468.2mm).

Daylight

The average length of the day in May is 14.8h.

What is the temperature in May in Seneca?

The average high-temperature, in May, in Seneca, is 61.5°F (16.4°C), while the average low-temperature is 31.5°F (-0.3°C).

How much does it rain in Seneca in May?

In Seneca, Oregon, in May, during 8 rainfall days, 1.5" (37.3mm) of precipitation is typically accumulated.

What is the last month it snows in Seneca?

May is the last month it regularly snows in Seneca, Oregon. Throughout May, Seneca aggregates 0.7" (17.8mm) of snow.

What is the average length of the day in May in Seneca?

The average length of the day in May in Seneca is 14.8h.
Average temperature in May - Seneca, OR
  • Average high temperature in May: 61.6°F

The warmest month (with the highest average high temperature) is July (81.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in May: 31.5°F

The month with the highest average low temperature is July (37.8°F).
The coldest month (with the lowest average low temperature) is January (9.2°F).

Average rainfall in May - Seneca, OR
  • Average rainfall in May: 1.5"

The wettest month (with the highest rainfall) is December (1.7").
The driest month (with the lowest rainfall) is July (0.5").

Average rainfall days in May - Seneca, OR
  • Average rainfall days in May: 8 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are July and August (3 days).

Average snowfall in May - Seneca, OR
  • Average snowfall in May: 0.7"

The month with the highest snowfall is December (15").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May - Seneca, OR
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).