Climate averages 1991–2020

Hillsboro weather
in February.

A cool, wet month: the 10th warmest and the 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 9.7°C Daytime mean, February
Average low 2.1°C Night-time mean, February
Rainfall 133 mm 14 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Hillsboro · average highYear overview

February is a cool month in Hillsboro: daytime highs average 9.7°C and nights cool to about 2.1°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 133 mm of rain on roughly 14 days, which makes February a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 21 min on an average February day.

The nearest other city in this atlas is Beaverton (15 km away). In February its highs average 9.6°C, about as warm as Hillsboro, with 130 mm of rain.

Among the 498 cities listed in the United States, Hillsboro ranks 283rd of 498 for the warmest February highs and 483rd of 498 for the driest February (rainfall, lowest first). The mean February high of those 498 cities is 11.1°C; Hillsboro is 1.5°C cooler than that mean.

From February to March, average highs rise by 2.4°C to 12.1°C, and monthly rainfall rises from 133 mm to 151 mm.

The annual picture

February in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Hillsboro climate table

1991–2020
Monthly climate averages for Hillsboro, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 7.9°C1.8°C1.8°C17217.19.19 h
February, selected 9.7°C2.1°C2.1°C13314.410.310 h
March 12.1°C3.5°C3.5°C15117.311.912 h
April 14.6°C5.2°C5.2°C11515.613.513 h
May 18.6°C8.4°C8.4°C6910.614.915 h
June 21.5°C11.0°C11.0°C407.215.616 h
July 26.6°C13.8°C13.8°C112.215.315 h
August 27.1°C14.4°C14.4°C132.514.114 h
September 23.7°C12.2°C12.2°C436.012.613 h
October 16.7°C8.0°C8.0°C10711.511.011 h
November 10.7°C4.2°C4.2°C17917.39.610 h
December 7.4°C1.7°C1.7°C20417.58.89 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

February in nearby cities

Distance from Hillsboro

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hillsboro) is explained once on the Hillsboro year overview and on the Sources, method and limits page.