Climate averages 1991–2020
Leiria weather
in January.
A cool, moderately wet month: the coolest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Leiria: daytime highs average 14.2°C and nights cool to about 7.0°C. By daytime temperature it is the coolest month of the year.
Expect about 88 mm of rain on roughly 11 days, which makes January a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 42 min on an average January day.
The nearest other city in this atlas is Coimbra (61 km away). In January its highs average 13.6°C, 0.6°C cooler than Leiria, with 108 mm of rain.
Among the 12 cities listed in Portugal, Leiria ranks 4th of 12 for the warmest January highs and 7th of 12 for the driest January (rainfall, lowest first). The mean January high of those 12 cities is 13.7°C; Leiria is 0.5°C warmer than that mean.
From January to February, average highs rise by 1.0°C to 15.2°C, and monthly rainfall falls from 88 mm to 66 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Leiria climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 14.2°C7.0°C | 7.0°C | 88 | 10.5 | 9.710 h |
| February | 15.2°C7.4°C | 7.4°C | 66 | 8.7 | 10.711 h |
| March | 17.6°C9.1°C | 9.1°C | 70 | 9.6 | 11.912 h |
| April | 18.7°C10.4°C | 10.4°C | 73 | 10.5 | 13.213 h |
| May | 21.4°C12.7°C | 12.7°C | 63 | 8.7 | 14.314 h |
| June | 24.4°C15.2°C | 15.2°C | 18 | 3.8 | 14.915 h |
| July | 26.5°C16.6°C | 16.6°C | 6.2 | 1.8 | 14.715 h |
| August | 27.1°C16.9°C | 16.9°C | 9.6 | 2.1 | 13.714 h |
| September | 25.3°C15.7°C | 15.7°C | 41 | 5.6 | 12.512 h |
| October | 21.6°C13.7°C | 13.7°C | 96 | 10.4 | 11.211 h |
| November | 17.2°C10.3°C | 10.3°C | 98 | 11.6 | 10.010 h |
| December | 15.0°C8.2°C | 8.2°C | 91 | 10.3 | 9.49 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Coimbra in JanuaryPortugal · 61 kmHigh 13.6°C · Low 4.9°C · 108 mm rain
- Aveiro in JanuaryPortugal · 101 kmHigh 13.5°C · Low 6.5°C · 128 mm rain
- Amadora in JanuaryPortugal · 116 kmHigh 13.8°C · Low 8.7°C · 68 mm rain
- Queluz in JanuaryPortugal · 116 kmHigh 13.8°C · Low 9.7°C · 68 mm rain
- Lisbon in JanuaryPortugal · 117 kmHigh 13.4°C · Low 9.1°C · 68 mm rain
- Viseu in JanuaryPortugal · 127 kmHigh 10.5°C · Low 3.1°C · 152 mm rain
- Setúbal in JanuaryPortugal · 136 kmHigh 14.6°C · Low 8.3°C · 63 mm rain
- Porto in JanuaryPortugal · 157 kmHigh 12.8°C · Low 6.3°C · 150 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Leiria) is explained once on the Leiria year overview and on the Sources, method and limits page.