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

May weather forecast and Climate
Brothers, OR

  • The average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (37.6°F).

  • The average low temperature in May: 31.2°F

The month with the highest average low temperature is July (42.9°F).
The coldest month (with the lowest average low temperature) is December (17.1°F).

  • The average rainfall in May: 1.1"

Wettest months (with the highest rainfall) are May, November and December (1.1").
Driest months (with the lowest rainfall) are February, July and September (0.5").

  • The average rainfall days in May: 6 days

Months with the highest number of rainy days are November and December (7 days).
Months with the lowest number of rainy days are July, August and September (3 days).

  • The average snowfall in May: 0.6"

The month with the highest snowfall is January (7.7").
Months with the lowest snowfall are June, July, August and September (0").