In general the best time to visit Terceira Island is probably August, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, March.
July usually has good weather. Average maximum temperature reaches +66°F during July.
In January, February, March, April, May, June, August, September, October, November, December the weather is average. Expect around 179 rainy days, and the precipitation amounts to approximately 113 mm in December.
Climate in Terceira Island
Here is the detailed breakdown of the climate in Terceira Island for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+64°F
+66°F
+68°F
+72°F
+72°F
+77°F
+81°F
+81°F
+79°F
+75°F
+72°F
+66°F
Average Maximum Temperature
+55°F
+54°F
+55°F
+55°F
+59°F
+63°F
+66°F
+68°F
+66°F
+63°F
+59°F
+57°F
Minimum Temperature
+41°F
+39°F
+39°F
+41°F
+45°F
+50°F
+54°F
+57°F
+54°F
+46°F
+43°F
+43°F
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
79
78
79
80
81
83
83
81
80
79
78
79
Rain, mm
79
78
81
63
50
34
19
37
58
93
90
113
Snow, mm
0
0
0
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
4
4
4
4
4
3
3
3
3
4
4
4
Sunny Days
0
0
1
1
1
2
3
3
2
1
1
1
Cloud Days
12
11
13
14
16
17
18
14
12
10
11
11
Rainy Days
19
17
17
15
14
11
10
13
16
20
18
19
Snowy Days
0
0
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in Terceira Island during the whole year:
The hottest month in Terceira Island is August with average maximum temperature going up to +68°F. The coldest month is February with the lowest temperatures of +50°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Terceira Island looks throughout the year, in %:
The most humid month in Terceira Island is July with average humidity going up to 83%. The least humid month is February with an average humidity of 78%.
Rain
Amount of rainfall in mm. in Terceira Island during the whole year based on historical data:
The sunniest and driest month is July with approximately 3 sunny days and a total precipitation of around 19 mm. The rainiest and wettest month is December with approximately 19 rainy days and 113 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Terceira Island:
What is the hottest month in Terceira Island?
The hottest month in Terceira Island is August with average maximum temperature of +68°F.
What is the coldest month in Terceira Island?
The coldest month in Terceira Island is February with minimum temperatures of +50°F.
Is Terceira Island worth visiting in winter?
Winter in Terceira Island could be a good time to visit, as the weather is generally ok.
When does it rain the least in Terceira Island?
if you're looking to visit Terceira Island when it rains the least, you should plan your trip for December, October, November. During this time, rainfall is rare with the driest month being July with only 19 mm of rain.
Other cities in Portugal
Check out the weather for other cities in Portugal.
For this page, we’ve looked at the typical weather in Terceira Island, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.