Santarém, Portugal Climate by Month
Santarém, Portugal
Warm summers and mild winters, with rain spread through the year.
Santarém has warm summers and mild winters, with rain spread through the year. Afternoon highs range from 59°F (15°C) in January to 85°F (30°C) in August, and January nights average 45°F (7°C). About 26 in (665 mm) of rain falls in a typical year, with no clear rainy season. July and August are almost completely dry.
- Warmest month
- 85°F(30°C)
- Average high, August
- Coldest nights
- 45°F(7°C)
- Average low, January
- Rain per year
- 26 in(665 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Santarém
Best for weatherThe most comfortable weather comes in May and June, with highs around 78°F (25°C) and about 1.3 in (33 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 60°F (16°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Santarém weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 59°F(15°C) | 45°F(7°C) | 3.1 in(79 mm) | 76% | 2.1 |
| FebFebruary | 62°F(17°C) | 45°F(7°C) | 2.3 in(58 mm) | 72% | 3.0 |
| MarMarch | 67°F(19°C) | 49°F(10°C) | 2.5 in(64 mm) | 67% | 4.0 |
| AprApril | 69°F(21°C) | 52°F(11°C) | 2.5 in(63 mm) | 73% | 5.4 |
| MayMayBest | 75°F(24°C) | 56°F(13°C) | 2.1 in(53 mm) | 65% | 6.6 |
| JunJuneBest | 80°F(27°C) | 60°F(16°C) | 0.5 in(12 mm) | 63% | 7.2 |
| JulJuly | 83°F(28°C) | 62°F(17°C) | 0.1 in(3 mm) | 62% | 7.5 |
| AugAugust | 85°F(30°C) | 63°F(17°C) | 0.2 in(6 mm) | 59% | 6.7 |
| SepSeptember | 80°F(27°C) | 61°F(16°C) | 1.5 in(37 mm) | 67% | 5.0 |
| OctOctober | 74°F(23°C) | 57°F(14°C) | 3.6 in(92 mm) | 75% | 3.5 |
| NovNovember | 65°F(18°C) | 50°F(10°C) | 4.0 in(101 mm) | 74% | 2.3 |
| DecDecember | 60°F(16°C) | 47°F(8°C) | 3.8 in(97 mm) | 79% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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