Rainier (Oregon), United States in January

January7°C average high

January has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

January188mm average rain

January is one of Rainier (Oregon)'s wettest months, so rain is likely to be a major planning factor.

Driest monthsMay to September

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

January2.5 hours average sun

January is one of Rainier (Oregon)'s cloudier months, so sunshine-led plans are less reliable.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

January9°C average sea

January is one of the coolest sea months, so the water may feel fresher than in peak months.

Warmest seaJune to September

Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.

January9 weather score

January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.