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Hernani Weather and Climate: A Comprehensive Guide

The temperature in Hernani can vary greatly throughout the year. The temperatures shift from warm to cold. It also experiences much rainfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Hernani. Average daytime temperatures reach a comfortable 24°C in August. In February, the coolest month of the year, temperatures drop to a chilly 12°C.

At night, you can expect cooler temperatures, with averages dropping to around 6°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Hernani has a relatively rainy climate with high precipitation levels, averaging 1500 mm of rainfall annually. Hernani experiences moderate seasonal variation in rainfall, with monthly averages ranging from 175 mm in November, the wettest month, and 88 mm in July, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Hernani can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: San Sebastián, Spain (5 KM, 3 Miles).

Daily hours of sunshine

Data from: San Sebastián, Spain (5 KM, 3 Miles).

Forecast for Hernani

Sun   Dec 22
13°C | 9°C
W 10 m/s
17 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
10°C | 8°C
NW 9 m/s
20 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
13°C | 8°C
N 7 m/s
18 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Hernani in Spain

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Hernani?
    August has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Hernani?
    The coldest month is February with an average maximum temperature of 12°C.
  • Which is the wettest month in Hernani?
    November tops the wettest month list with 175 mm of rainfall.
  • Which is the driest month in Hernani?
    July is the driest month with 88 mm of precipitation.
  • Which is the sunniest month in Hernani?
    July is the sunniest month with an average of 199 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.