Terrassa, Spain Climate & Monthly Averages

Terrassa has a humid subtropical climate. July is the hottest month, averaging 86° by day; January is the coldest at 54°.

Spain 🇪🇸 · humid subtropical climate
Annual avg
60°
Hottest month
July
Coldest month
January
Rainy days / yr
102
Sunshine
10.1 h/day
Right now: 58° and clear - see live conditions

Sunshine is a defining feature of Terrassa's climate

Terrassa is a humid subtropical city - hot, humid summers and generally mild winters. July is the warmest month at 86°F (30°C) and January the coolest at 54°F (12°C), over 29.8 inches (756 mm) of precipitation a year.

10.1sun hours per day
756 mmprecipitation per year
102wet days per year

How sun, temperature and rain fit together

January is the coolest month, with highs of 54°F (12°C) and lows near 38°F (4°C). Warmth peaks in July: highs of 86°F (30°C), lows of 68°F (20°C). Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through June.

October is the wettest month at 4.6 inches (116 mm) over 11 days; December is the driest. Snowfall is rare but not unheard of. July is the brightest month at 13.3 hours of sun a day, against an annual average of 10.1. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 104°F (40°C) and the lowest daily minimum 27°F (-3°C).

More climate facts for Terrassa
  • Hottest month: July - highs near 86°F (30°C)
  • Coldest month: January - highs near 54°F (12°C)
  • Decade extremes (2015-2024): 104°F (40°C) high · 27°F (-3°C) low
  • Wettest month: October (11 rainy days) · Sunniest: July (13.3 h sun/day)
  • Climate type: humid subtropical
  • Annual swing: 18°C between the average warmest and coolest month · day to night: 9°C
  • Months averaging 30°C or hotter: 1
  • Average humidity: 72%

The most comfortable sunny-weather window

Best time to visit Terrassa

Aim for March to June and October to November if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 68°F (20°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in March.

What to pack

Pack for Terrassa with light clothing for the warm months, a warm jacket and layers for the cooler season and a compact umbrella or rain shell. Note the gap between afternoon and night: July pairs 86°F (30°C) with 68°F (20°C).

Monthly climate table

Monthly averages for Terrassa based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 54° 38° 5 1.7 in 7.9 h/day 9.5 h 15% 74%
February 58° 41° 7 1.4 in 8.5 h/day 10.5 h 24% 73%
March 61° 44° 8 2.2 in 9.6 h/day 11.8 h 27% 72%
April 65° 48° 10 3.5 in 10.6 h/day 13.3 h 33% 70%
May 72° 54° 10 3.1 in 12.1 h/day 14.5 h 34% 69%
June 80° 63° 9 2.4 in 12.9 h/day 15.2 h 30% 66%
July 86° 68° 7 1.3 in 13.3 h/day 14.9 h 22% 65%
August 85° 68° 8 2.4 in 12.2 h/day 13.8 h 27% 69%
September 76° 62° 14 3.9 in 10.1 h/day 12.4 h 46% 76%
October 70° 56° 11 4.6 in 8.6 h/day 11.0 h 37% 80%
November 61° 46° 8 2.3 in 7.8 h/day 9.8 h 28% 77%
December 56° 41° 4 1.0 in 7.6 h/day 9.2 h 13% 77%

Terrassa month by month

Each card shows the average high and low. The bar places that month between Terrassa's coldest night and warmest afternoon.

January

Coldest
54°38°
Rain
5 days
Sunshine
7.9 h
Daylight
9.5 h

February

58°41°
Rain
7 days
Sunshine
8.5 h
Daylight
10.5 h

March

61°44°
Rain
8 days
Sunshine
9.6 h
Daylight
11.8 h

April

65°48°
Rain
10 days
Sunshine
10.6 h
Daylight
13.3 h

May

72°54°
Rain
10 days
Sunshine
12.1 h
Daylight
14.5 h

June

80°63°
Rain
9 days
Sunshine
12.9 h
Daylight
15.2 h

July

HottestSunniest
86°68°
Rain
7 days
Sunshine
13.3 h
Daylight
14.9 h

August

85°68°
Rain
8 days
Sunshine
12.2 h
Daylight
13.8 h

September

76°62°
Rain
14 days
Sunshine
10.1 h
Daylight
12.4 h

October

Wettest
70°56°
Rain
11 days
Sunshine
8.6 h
Daylight
11.0 h

November

61°46°
Rain
8 days
Sunshine
7.8 h
Daylight
9.8 h

December

Driest
56°41°
Rain
4 days
Sunshine
7.6 h
Daylight
9.2 h

Looking for warmer alternatives? Browse warm places by month, or compare Terrassa's coolest part of the year: January, December, February.

Seasonal weather under Terrassa's sunnier skies

Spring (March through May)

Spring in Terrassa is mild, with daytime highs averaging 66°F (19°C) and nights around 49°F (9°C); expect showers on roughly 28 days across the season. Daylight is generous - around 10.8 hours of sun a day.

Summer (June through August)

Summer in Terrassa runs hot, with daytime highs averaging 84°F (29°C) and nights around 66°F (19°C); expect showers on roughly 24 days across the season. Daylight is generous - around 12.8 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.

Fall (September through November)

Fall in Terrassa is mild and warm, with daytime highs averaging 69°F (21°C) and nights around 55°F (13°C); rain falls on around 34 of the 90 days.

Winter (December through February)

Winter in Terrassa runs cool rather than cold, with daytime highs averaging 56°F (13°C) and nights around 40°F (4°C); rain comes on about 15 days over the three months.

How unusual is Terrassa?

  • Terrassa sits close to the middle of our dataset on most measures: 60°F (15°C) as an annual average, 29.8 inches (756 mm) of precipitation and 10.1 hours of sun a day.

These comparisons use the same ten-year window for every city in the dataset.

Terrassa temperature extremes in the 2015–2024 dataset

Highest daily value
104°
in June
Lowest daily value
27°
in January
Annual precipitation
29.8"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.

Sunshine and temperature questions about Terrassa

How many rainy days does Terrassa get in a year?
About 102 days bring measurable precipitation, totalling 29.8 inches (756 mm). That works out at roughly 7.4 mm on an average wet day.
What is the average temperature in Terrassa?
60°F (15°C) across all twelve months - about 69°F (20°C) by day and 52°F (11°C) after dark.
What should I wear in Terrassa?
It depends on the month: July runs to 86°F (30°C) while January holds at 54°F (12°C). The full month-by-month breakdown is in the packing notes above.
How cold does Terrassa get in winter?
January nights average 38°F (4°C). Chilly rather than harsh - hard freezes are uncommon.