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

May weather forecast and climate
Hillsboro, OR

The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon, and even better in the sun rays
The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon, and even better in the sun rays
The last month of the spring, May, is a pleasant month in Hillsboro, Oregon, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 68.7°F (20.4°C).

Temperature

In Hillsboro, the average high-temperature slightly increases, from a comfortable 62.1°F (16.7°C) in April, to an agreeable 68.7°F (20.4°C). The average low-temperature, in Hillsboro, is 44.1°F (6.7°C).

Rainfall

In Hillsboro, during 11 rainfall days, 1.8" (44.5mm) of precipitation is typically accumulated. In Hillsboro, Oregon, during the entire year, the rain falls for 151 days and collects up to 37.7" (958.6mm) of precipitation.

Daylight

In Hillsboro, the average length of the day in May is 14.9h.

What is the temperature in May in Hillsboro?

The average high-temperature, in May, is 68.7°F (20.4°C), while the average low-temperature is 44.1°F (6.7°C).

How many days does it rain in May in Hillsboro?

In Hillsboro, in May, during 11 rainfall days, 1.8" (44.5mm) of precipitation is typically accumulated.

How many hours of daylight does Hillsboro have in May?

In May, the average length of the day in Hillsboro is 14.9h.
Average temperature in May - Hillsboro, OR
  • Average high temperature in May: 68.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in May: 44.1°F

The month with the highest average low temperature is July (51.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average rainfall in May - Hillsboro, OR
  • Average rainfall in May: 1.8"

The wettest month (with the highest rainfall) is December (6.8").
The driest month (with the lowest rainfall) is July (0.5").

Average rainfall days in May - Hillsboro, OR
  • Average rainfall days in May: 11 days

Months with the highest number of rainy days are January and December (20 days).
The month with the lowest number of rainy days is July (3 days).

Average daylight in May - Hillsboro, OR
  • Average daylight in May: 14.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).