Guaratinguetá weather in January
In January, Guaratinguetá sees average daytime highs of 28°C and overnight lows near 19°C, with 296 mm of rain across 24.1 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 12% of the time in January, and the air most often feels muggy.
Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Guaratinguetá's 12th-clearest and 10th-windiest month. For the whole year in context, see Guaratinguetá's year-round climate.
- Daytime high
- 28°
- 2nd warmest
- Overnight low
- 19°
- 12th coldest
- Rainfall
- 296 mm
- 24.1 wet days
- Daylight
- 13 h 18 min
- 6:32 AM – 7:48 PM
- Cloud cover
- 77%
- 12th clearest
- Wind
- 5 km/h
- 10th windiest
- Solar energy
- 5.41 kWh/m²
- Travel score
- 4.3
- out of 10
Guaratinguetá is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 28°C through the month.
A typical January day in Guaratinguetá reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, January runs on par with December and on par with 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) | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 19 |
| 2 | 27 | 19 |
| 3 | 27 | 19 |
| 4 | 27 | 19 |
| 5 | 27 | 19 |
| 6 | 27 | 19 |
| 7 | 28 | 19 |
| 8 | 28 | 19 |
| 9 | 28 | 19 |
| 10 | 28 | 19 |
| 11 | 28 | 19 |
| 12 | 28 | 19 |
| 13 | 28 | 19 |
| 14 | 28 | 19 |
| 15 | 28 | 19 |
| 16 | 28 | 19 |
| 17 | 28 | 19 |
| 18 | 28 | 19 |
| 19 | 28 | 19 |
| 20 | 28 | 19 |
| 21 | 28 | 19 |
| 22 | 28 | 19 |
| 23 | 28 | 19 |
| 24 | 28 | 19 |
| 25 | 28 | 19 |
| 26 | 28 | 19 |
| 27 | 28 | 19 |
| 28 | 28 | 19 |
| 29 | 28 | 19 |
| 30 | 28 | 19 |
| 31 | 28 | 19 |
Guaratinguetá weather by month
How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 19° | 296 | 24.1 | 13.2 | 4.3 |
| Feb | 28° / 19° | 210 | 19.5 | 12.8 | 4.6 |
| Mar | 27° / 18° | 196 | 20.5 | 12.2 | 4.9 |
| Apr | 26° / 16° | 79 | 11.4 | 11.5 | 6.5 |
| May | 23° / 14° | 55 | 8.4 | 10.9 | 7.2 |
| Jun | 23° / 12° | 33 | 5.8 | 10.6 | 7.7 |
| Jul | 23° / 12° | 35 | 5.2 | 10.7 | 7.8 |
| Aug | 24° / 12° | 37 | 5.8 | 11.2 | 7.9 |
| Sep | 25° / 14° | 91 | 10.9 | 11.9 | 6.7 |
| Oct | 26° / 16° | 144 | 16.4 | 12.5 | 5.6 |
| Nov | 26° / 17° | 207 | 19.5 | 13.1 | 5.0 |
| Dec | 27° / 18° | 254 | 22.8 | 13.4 | 4.4 |
Cloud cover in January
The sky is clear or mostly clear about 12% of the time in January, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 75%.
| 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 (%) | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 28 | 29 | 30 |
| Cloudier (%) | 78 | 78 | 78 | 78 | 78 | 77 | 76 | 77 | 77 | 77 | 77 | 76 | 76 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 72 | 71 | 70 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 22 | 78 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 22 | 78 |
| 5 | 22 | 78 |
| 6 | 23 | 77 |
| 7 | 24 | 76 |
| 8 | 23 | 77 |
| 9 | 23 | 77 |
| 10 | 23 | 77 |
| 11 | 23 | 77 |
| 12 | 24 | 76 |
| 13 | 24 | 76 |
| 14 | 25 | 75 |
| 15 | 25 | 75 |
| 16 | 25 | 75 |
| 17 | 25 | 75 |
| 18 | 25 | 75 |
| 19 | 24 | 76 |
| 20 | 24 | 76 |
| 21 | 25 | 75 |
| 22 | 25 | 75 |
| 23 | 25 | 75 |
| 24 | 26 | 74 |
| 25 | 26 | 74 |
| 26 | 27 | 73 |
| 27 | 27 | 73 |
| 28 | 27 | 73 |
| 29 | 28 | 72 |
| 30 | 29 | 71 |
| 31 | 30 | 70 |
Chance of precipitation in January
Guaratinguetá gets around 296 mm of rain over 24.1 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 76% and peaks near 77% on the wettest days.
| 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 (%) | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 76 | 76 | 75 | 75 | 74 | 74 | 73 |
| Rain chance (%) | |
|---|---|
| 1 | 77 |
| 2 | 77 |
| 3 | 77 |
| 4 | 77 |
| 5 | 77 |
| 6 | 77 |
| 7 | 77 |
| 8 | 77 |
| 9 | 77 |
| 10 | 77 |
| 11 | 77 |
| 12 | 77 |
| 13 | 77 |
| 14 | 77 |
| 15 | 77 |
| 16 | 77 |
| 17 | 77 |
| 18 | 77 |
| 19 | 77 |
| 20 | 77 |
| 21 | 77 |
| 22 | 77 |
| 23 | 77 |
| 24 | 77 |
| 25 | 76 |
| 26 | 76 |
| 27 | 75 |
| 28 | 75 |
| 29 | 74 |
| 30 | 74 |
| 31 | 73 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.
| 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 (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| Humid (%) | 38 | 38 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 32 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 |
| Muggy (%) | 59 | 59 | 60 | 60 | 61 | 61 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 64 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 68 | 68 | 66 | 66 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 3 | 38 | 59 | 0 |
| 2 | 0 | 3 | 38 | 59 | 0 |
| 3 | 0 | 3 | 37 | 60 | 0 |
| 4 | 0 | 3 | 37 | 60 | 0 |
| 5 | 0 | 2 | 37 | 61 | 0 |
| 6 | 0 | 2 | 37 | 61 | 0 |
| 7 | 0 | 2 | 36 | 62 | 0 |
| 8 | 0 | 2 | 36 | 62 | 0 |
| 9 | 0 | 2 | 36 | 62 | 0 |
| 10 | 0 | 2 | 37 | 61 | 0 |
| 11 | 0 | 2 | 37 | 61 | 0 |
| 12 | 0 | 2 | 37 | 61 | 0 |
| 13 | 0 | 2 | 37 | 61 | 0 |
| 14 | 0 | 2 | 37 | 61 | 0 |
| 15 | 0 | 2 | 37 | 61 | 0 |
| 16 | 0 | 2 | 37 | 61 | 0 |
| 17 | 0 | 2 | 36 | 62 | 0 |
| 18 | 0 | 2 | 36 | 62 | 0 |
| 19 | 0 | 2 | 35 | 63 | 0 |
| 20 | 0 | 2 | 34 | 64 | 0 |
| 21 | 0 | 2 | 33 | 65 | 0 |
| 22 | 0 | 2 | 32 | 66 | 0 |
| 23 | 0 | 2 | 32 | 66 | 0 |
| 24 | 1 | 2 | 31 | 66 | 0 |
| 25 | 1 | 3 | 30 | 66 | 0 |
| 26 | 1 | 3 | 29 | 67 | 0 |
| 27 | 1 | 3 | 29 | 67 | 0 |
| 28 | 1 | 3 | 28 | 68 | 0 |
| 29 | 1 | 3 | 28 | 68 | 0 |
| 30 | 1 | 4 | 28 | 66 | 1 |
| 31 | 1 | 4 | 28 | 66 | 1 |
Wind in January
Winds average 5 km/h in January.
Across January, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in January
Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over January. Sunrise moves from 6:23 AM to 6:42 AM, and sunset from 7:45 PM to 7:46 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) | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 |
| Sunrise (AM) | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:26 | 6:26 | 6:27 | 6:28 | 6:28 | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:38 | 6:39 | 6:40 | 6:40 | 6:41 | 6:42 | 6:42 |
| Sunset (PM) | 7:45 | 7:46 | 7:46 | 7:46 | 7:46 | 7:47 | 7:47 | 7:47 | 7:47 | 7:47 | 7:47 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:47 | 7:47 | 7:47 | 7:47 | 7:47 | 7:47 | 7:46 | 7:46 | 7:46 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 6:23 | 7:45 |
| 2 | 13.4 | 6:23 | 7:46 |
| 3 | 13.4 | 6:24 | 7:46 |
| 4 | 13.4 | 6:24 | 7:46 |
| 5 | 13.4 | 6:25 | 7:46 |
| 6 | 13.3 | 6:26 | 7:47 |
| 7 | 13.3 | 6:26 | 7:47 |
| 8 | 13.3 | 6:27 | 7:47 |
| 9 | 13.3 | 6:28 | 7:47 |
| 10 | 13.3 | 6:28 | 7:47 |
| 11 | 13.3 | 6:29 | 7:47 |
| 12 | 13.3 | 6:30 | 7:48 |
| 13 | 13.3 | 6:30 | 7:48 |
| 14 | 13.3 | 6:31 | 7:48 |
| 15 | 13.3 | 6:32 | 7:48 |
| 16 | 13.3 | 6:32 | 7:48 |
| 17 | 13.2 | 6:33 | 7:48 |
| 18 | 13.2 | 6:34 | 7:48 |
| 19 | 13.2 | 6:34 | 7:48 |
| 20 | 13.2 | 6:35 | 7:48 |
| 21 | 13.2 | 6:36 | 7:48 |
| 22 | 13.2 | 6:36 | 7:48 |
| 23 | 13.2 | 6:37 | 7:47 |
| 24 | 13.2 | 6:38 | 7:47 |
| 25 | 13.1 | 6:38 | 7:47 |
| 26 | 13.1 | 6:39 | 7:47 |
| 27 | 13.1 | 6:40 | 7:47 |
| 28 | 13.1 | 6:40 | 7:47 |
| 29 | 13.1 | 6:41 | 7:46 |
| 30 | 13.1 | 6:42 | 7:46 |
| 31 | 13.1 | 6:42 | 7:46 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 5.41 kWh/m².
For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 5.61 kWh/m² in February across the year — January's 5.41 kWh/m² sits near the top of that range.
| 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) | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.4 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.6 | Bright |
| 30 | 5.6 | Bright |
| 31 | 5.6 | Bright |
Hazard calendar for Guaratinguetá
In January, Guaratinguetá sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Guaratinguetá's rainy season runs October–March, when most of the year's rain falls.
Is January a good time to visit Guaratinguetá?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Guaratinguetá for sightseeing.
What to pack for Guaratinguetá in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Guaratinguetá sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.
Sea temperature near Guaratinguetá in January
The nearest coast averages about 27°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 67 km away) is warmest in February at about 27°C and coldest in August near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 26 | 24 | 23 | 22 | 21 | 22 | 23 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 24 | Warm |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Guaratinguetá in January
Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guaratinguetá peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 13 | 10 | 7 | 6 | 6 | 8 | 7 | 12 | 14 | 15 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 15 | Extreme |
Air quality in Guaratinguetá 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 Guaratinguetá is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 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) | 9 | 10 | 10 | 11 | 13 | 13 | 13 | 14 | 19 | 13 | 10 | 9 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 13 | Moderate |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 19 | Moderate |
| Oct | 13 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Guaratinguetá?
Guaratinguetá sits at 22.8°S, 45.2°W, 545 m above sea level, in Brazil. The nearest listed city is Aparecida, 5.0 km away.
Topography around Guaratinguetá
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guaratinguetá.
Within 3 km, the terrain around Guaratinguetá has only modest variations in elevation — a maximum elevation change of 200 m around an average of 560 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 828 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,756 m.
The land around Guaratinguetá is covered by grassland (35%), artificial surfaces (31%) and trees (28%) within 3 km, grassland (50%) and trees (33%) within 16 km, and trees (52%) and grassland (38%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 Guaratinguetá (-22.8164°, -45.1925°, elevation 545 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).