Ílhavo weather in January
In January, Ílhavo sees average daytime highs of 14°C and overnight lows near 8°C, with 119 mm of rain across 11.6 wet days and about 9.4 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 06 min at the start of January to 9 h 48 min by month's end. Set against the rest of the year, January is Ílhavo's 10th-clearest and 4th-windiest month. For the whole year in context, see Ílhavo's year-round climate.
- Daytime high
- 14°
- 12th warmest
- Overnight low
- 8°
- 1st coldest
- Rainfall
- 119 mm
- 11.6 wet days
- Daylight
- 9 h 24 min
- 8:02 AM – 5:26 PM
- Cloud cover
- 54%
- 10th clearest
- Wind
- 15 km/h
- 4th windiest
- Solar energy
- 2.07 kWh/m²
- Travel score
- 3.9
- out of 10
Ílhavo is city seat of Ílhavo municipality.
- Air quality
- Good
- PM10 23.2 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 14°C through the month.
A typical January day in Ílhavo reaches about 14°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 16°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg low (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 14 | 9 |
| 2 | 14 | 9 |
| 3 | 14 | 9 |
| 4 | 14 | 9 |
| 5 | 14 | 9 |
| 6 | 14 | 9 |
| 7 | 14 | 8 |
| 8 | 14 | 8 |
| 9 | 14 | 8 |
| 10 | 14 | 8 |
| 11 | 14 | 8 |
| 12 | 14 | 8 |
| 13 | 13 | 8 |
| 14 | 13 | 8 |
| 15 | 13 | 8 |
| 16 | 13 | 8 |
| 17 | 13 | 8 |
| 18 | 13 | 8 |
| 19 | 14 | 8 |
| 20 | 14 | 8 |
| 21 | 14 | 8 |
| 22 | 14 | 8 |
| 23 | 14 | 8 |
| 24 | 14 | 8 |
| 25 | 14 | 8 |
| 26 | 14 | 8 |
| 27 | 14 | 8 |
| 28 | 14 | 8 |
| 29 | 14 | 8 |
| 30 | 14 | 8 |
| 31 | 14 | 8 |
Ílhavo weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 8° | 119 | 11.6 | 9.4 | 3.9 |
| Feb | 15° / 9° | 83 | 9 | 10.4 | 4.4 |
| Mar | 17° / 10° | 88 | 9.7 | 11.7 | 5.4 |
| Apr | 18° / 11° | 92 | 10.7 | 13 | 5.7 |
| May | 20° / 13° | 72 | 9 | 14.2 | 6.6 |
| Jun | 22° / 16° | 24 | 4.7 | 14.8 | 7.9 |
| Jul | 24° / 17° | 10 | 2.2 | 14.6 | 8.9 |
| Aug | 24° / 17° | 15 | 3.1 | 13.6 | 8.7 |
| Sep | 23° / 16° | 48 | 5.6 | 12.3 | 7.9 |
| Oct | 20° / 14° | 132 | 11.4 | 10.9 | 6.2 |
| Nov | 16° / 11° | 133 | 12.5 | 9.7 | 5.0 |
| Dec | 14° / 9° | 129 | 11.2 | 9.1 | 4.2 |
Cloud cover in January
The sky is clear or mostly clear about 37% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 51 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 54 | 55 | 55 | 54 | 54 | 54 | 54 | 53 | 53 |
| Cloudier (%) | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 49 | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 45 | 45 | 46 | 46 | 46 | 46 | 47 | 47 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 48 | 52 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 49 | 51 |
| 7 | 49 | 51 |
| 8 | 49 | 51 |
| 9 | 49 | 51 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 51 | 49 |
| 13 | 51 | 49 |
| 14 | 51 | 49 |
| 15 | 51 | 49 |
| 16 | 52 | 48 |
| 17 | 52 | 48 |
| 18 | 53 | 47 |
| 19 | 53 | 47 |
| 20 | 54 | 46 |
| 21 | 54 | 46 |
| 22 | 54 | 46 |
| 23 | 54 | 46 |
| 24 | 55 | 45 |
| 25 | 55 | 45 |
| 26 | 54 | 46 |
| 27 | 54 | 46 |
| 28 | 54 | 46 |
| 29 | 54 | 46 |
| 30 | 53 | 47 |
| 31 | 53 | 47 |
Chance of precipitation in January
Ílhavo gets around 119 mm of rain over 11.6 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 42% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 42 |
| 2 | 42 |
| 3 | 42 |
| 4 | 42 |
| 5 | 41 |
| 6 | 41 |
| 7 | 41 |
| 8 | 40 |
| 9 | 40 |
| 10 | 40 |
| 11 | 39 |
| 12 | 39 |
| 13 | 39 |
| 14 | 38 |
| 15 | 38 |
| 16 | 38 |
| 17 | 37 |
| 18 | 37 |
| 19 | 36 |
| 20 | 36 |
| 21 | 36 |
| 22 | 35 |
| 23 | 35 |
| 24 | 35 |
| 25 | 35 |
| 26 | 34 |
| 27 | 34 |
| 28 | 34 |
| 29 | 34 |
| 30 | 34 |
| 31 | 35 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 92 | 92 | 93 | 93 | 93 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 |
| Comfortable (%) | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 92 | 8 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 94 | 6 |
| 8 | 94 | 6 |
| 9 | 95 | 5 |
| 10 | 95 | 5 |
| 11 | 96 | 4 |
| 12 | 96 | 4 |
| 13 | 96 | 4 |
| 14 | 97 | 3 |
| 15 | 97 | 3 |
| 16 | 97 | 3 |
| 17 | 97 | 3 |
| 18 | 97 | 3 |
| 19 | 97 | 3 |
| 20 | 97 | 3 |
| 21 | 97 | 3 |
| 22 | 97 | 3 |
| 23 | 97 | 3 |
| 24 | 97 | 3 |
| 25 | 97 | 3 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 96 | 4 |
Wind in January
Winds average 15 km/h in January.
Across January, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in January
Daylight runs from about 9 h 06 min at the start of January to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over January. Sunrise moves from 8:04 AM to 7:53 AM, and sunset from 5:12 PM to 5:43 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.1 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 |
| Sunrise (AM) | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:04 | 8:03 | 8:03 | 8:03 | 8:03 | 8:02 | 8:02 | 8:02 | 8:01 | 8:01 | 8:00 | 8:00 | 7:59 | 7:59 | 7:58 | 7:58 | 7:57 | 7:56 | 7:55 | 7:55 | 7:54 | 7:53 |
| Sunset (PM) | 5:12 | 5:13 | 5:14 | 5:14 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:22 | 5:23 | 5:24 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:30 | 5:31 | 5:32 | 5:34 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:41 | 5:42 | 5:43 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.1 | 8:04 | 5:12 |
| 2 | 9.2 | 8:04 | 5:13 |
| 3 | 9.2 | 8:04 | 5:14 |
| 4 | 9.2 | 8:04 | 5:14 |
| 5 | 9.2 | 8:04 | 5:15 |
| 6 | 9.2 | 8:04 | 5:16 |
| 7 | 9.2 | 8:04 | 5:17 |
| 8 | 9.2 | 8:04 | 5:18 |
| 9 | 9.3 | 8:04 | 5:19 |
| 10 | 9.3 | 8:04 | 5:20 |
| 11 | 9.3 | 8:03 | 5:21 |
| 12 | 9.3 | 8:03 | 5:22 |
| 13 | 9.3 | 8:03 | 5:23 |
| 14 | 9.4 | 8:03 | 5:24 |
| 15 | 9.4 | 8:02 | 5:25 |
| 16 | 9.4 | 8:02 | 5:26 |
| 17 | 9.4 | 8:02 | 5:27 |
| 18 | 9.4 | 8:01 | 5:28 |
| 19 | 9.5 | 8:01 | 5:29 |
| 20 | 9.5 | 8:00 | 5:30 |
| 21 | 9.5 | 8:00 | 5:31 |
| 22 | 9.6 | 7:59 | 5:32 |
| 23 | 9.6 | 7:59 | 5:34 |
| 24 | 9.6 | 7:58 | 5:35 |
| 25 | 9.6 | 7:58 | 5:36 |
| 26 | 9.7 | 7:57 | 5:37 |
| 27 | 9.7 | 7:56 | 5:38 |
| 28 | 9.7 | 7:55 | 5:39 |
| 29 | 9.8 | 7:55 | 5:41 |
| 30 | 9.8 | 7:54 | 5:42 |
| 31 | 9.8 | 7:53 | 5:43 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.07 kWh/m².
For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 7.33 kWh/m² in July across the year — January's 2.07 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 2.0 | 2.0 | 2.0 | 2.0 | 2.1 | 2.1 | 2.1 | 2.2 | 2.2 | 2.2 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.8 | Dim |
| 2 | 1.8 | Dim |
| 3 | 1.8 | Dim |
| 4 | 1.8 | Dim |
| 5 | 1.8 | Dim |
| 6 | 1.8 | Dim |
| 7 | 1.9 | Dim |
| 8 | 1.9 | Dim |
| 9 | 1.9 | Dim |
| 10 | 1.9 | Dim |
| 11 | 1.9 | Dim |
| 12 | 1.9 | Dim |
| 13 | 2.0 | Dim |
| 14 | 2.0 | Moderate |
| 15 | 2.0 | Moderate |
| 16 | 2.0 | Moderate |
| 17 | 2.1 | Moderate |
| 18 | 2.1 | Moderate |
| 19 | 2.1 | Moderate |
| 20 | 2.2 | Moderate |
| 21 | 2.2 | Moderate |
| 22 | 2.2 | Moderate |
| 23 | 2.3 | Moderate |
| 24 | 2.3 | Moderate |
| 25 | 2.3 | Moderate |
| 26 | 2.4 | Moderate |
| 27 | 2.4 | Moderate |
| 28 | 2.4 | Moderate |
| 29 | 2.5 | Moderate |
| 30 | 2.5 | Moderate |
| 31 | 2.5 | Moderate |
Hazard calendar for Ílhavo
In January, Ílhavo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Ílhavo's rainy season runs October–May, when most of the year's rain falls.
Is January a good time to visit Ílhavo?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Ílhavo.
What to pack for Ílhavo in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Ílhavo sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 12 days see rain.
Sea temperature near Ílhavo in January
The nearest coast averages about 14°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 18°C and coldest in February near 14°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 16 | 17 | 18 | 18 | 18 | 17 | 16 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Bracing |
| May | 16 | Cool |
| Jun | 17 | Cool |
| Jul | 18 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 17 | Cool |
| Nov | 16 | Cool |
| Dec | 15 | Bracing |
UV index in Ílhavo in January
Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ílhavo peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 5 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Ílhavo in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Ílhavo is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 9 | 11 | 10 | 8 | 12 | 8 | 14 | 17 | 19 | 7 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 12 | Good |
| Jul | 8 | Good |
| Aug | 14 | Moderate |
| Sep | 17 | Moderate |
| Oct | 19 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Ílhavo?
Ílhavo sits at 40.6°N, 8.7°W, 13 m above sea level, in Portugal. The nearest listed city is Vilar, 4.0 km away.
Topography around Ílhavo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ílhavo.
Within 3 km, the terrain around Ílhavo has only modest variations in elevation — a maximum elevation change of 55 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,365 m.
The land around Ílhavo is covered by grassland (23%), trees (21%) and artificial surfaces (20%) within 3 km, water (31%) and trees (30%) within 16 km, and trees (46%) and water (27%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ílhavo (40.6019°, -8.6702°, elevation 13 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).