AI-generatedTeresina at a glance
- Best time
- Jun – Oct
- Warmest month
- Oct · 38°
- Sunshine a year
- 2,580 h
- Rain a year
- 1,349 mm
- Climate
- Tropical
- Time zone
- UTC−3
- Elevation
- 87 m
Climate in Teresina
Teresina has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. October is the warmest month with average highs of 38 °C, while March is the coolest at 31 °C. With around 2,580 hours of sunshine a year, Teresina is sunny; September is the sunniest month with 8.9 hours a day.
Holiday weather through the year
Best time to visit Teresina
The best time to visit Teresina is from June to October. From June to December it can get very hot, with highs of up to 38 °C. The rainy season is from January to April; the wettest month is March with 331 mm.
Teresina through the seasons
How the weather changes over the seasons, with averages for each.
Teresina in the dry season
May – Dec
Fair
- 33–38 °C by day
- 7.9 h of sun a day
- 35 rainy days in all
Teresina in the rainy season
Jan – Apr
Poor
- 31–32 °C by day
- 5.4 h of sun a day
- 94 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Jun – Dec
Highs of 33 °C or more
Rainy months
Jan – Apr
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Teresina for you.
Your best months: August – October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: June – October
Keep in mindPeak heat
A typical day in October
- Morning, 08:00: about 31°
- Midday, 13:00: about 38°
- Afternoon, 16:00: about 36°
- Evening, 20:00: about 30°
- Night, 23:00: about 27°
05:3017:43
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:18–05:58 · evening 17:15–17:56
- Blue hour
- Morning 05:09–05:18 · evening 17:56–18:04
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Teresina compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 38° at the start of the month to 37° at the end.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 38° | 37° |
| Night-time low | 24° | 24° |
| Daylight | 12.1 h | 12.3 h |
What is the weather like in Teresina in October?
In October, Teresina is very hot: daytime highs average 38 °C, and even at night it stays warm at around 24 °C. The sun shines for around 8.7 hours a day. Rain is rare: about 2 days bring 16 mm in total. The thermometer climbs to 30 °C or more every day. All in all, October is a so-so month for a holiday in Teresina – and yet one of the best months here.
More details for October
- Daylight
- 12 h 13 min05:30 – 17:43
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 13 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 41 %on averageAll months
- Hot days
- 31 days30 °C or moreAll months
- Time zone
- UTC−3offset from UTC
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %95 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Compare two months in Teresina
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and June bring similar holiday weather to Teresina (score 49 and 50). In June, days are 4 °C cooler than in October. June has one more rainy day. The sun shines an hour less a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 49 | 50 |
| Daytime high | 38° | 34° |
| Night-time low | 24° | 23° |
| Sunshine | 8.7 hbetter | 7.4 h |
| Rainy days | 2better | 3 |
| Rainfall | 16 mm | 15 mm |
| Muggy days | 13better | 23 |
Based on the climate averages 1996–2025.
Teresina month by month
The typical weather for every month at a glance.
26January32° · 5.5 h
In January, Teresina is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. Expect around 5.5 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 219 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is not an ideal month for a holiday in Teresina.
Teresina in January30February32° · 5.3 h
In February, Teresina is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. Expect around 5.3 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 275 mm. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is not an ideal month for a holiday in Teresina.
Teresina in February30March31° · 5.2 h
In March, Teresina is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. Expect around 5.2 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 331 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is not an ideal month for a holiday in Teresina.
Teresina in March30April32° · 5.6 h
In April, Teresina is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. Expect around 5.6 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 254 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Teresina.
Teresina in April40May33° · 6.7 h
In May, Teresina is hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sun shines for around 6.7 hours a day. Rain is frequent, with about 11 rainy days and 101 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Teresina.
Teresina in May50June34° · 7.4 h
In June, Teresina is very hot: daytime highs average 34 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7.4 hours a day. Rain is rare: about 3 days bring 15 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Teresina – and yet one of the best months here.
Teresina in June46July35° · 7.9 h
In July, Teresina is very hot: daytime highs average 35 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7.9 hours a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, July is a so-so month for a holiday in Teresina – and yet one of the best months here.
Teresina in July49August37° · 8.8 h
In August, Teresina is very hot: daytime highs average 37 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8.8 hours a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, August is a so-so month for a holiday in Teresina – and yet one of the best months here.
Teresina in August50September38° · 8.9 h
In September, Teresina is very hot: daytime highs average 38 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8.9 hours a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, September is a so-so month for a holiday in Teresina – and yet one of the best months here.
Teresina in September49October38° · 8.7 h
In October, Teresina is very hot: daytime highs average 38 °C, and even at night it stays warm at around 24 °C. The sun shines for around 8.7 hours a day. Rain is rare: about 2 days bring 16 mm in total. The thermometer climbs to 30 °C or more every day. All in all, October is a so-so month for a holiday in Teresina – and yet one of the best months here.
Teresina in October43November37° · 7.9 h
In November, Teresina is very hot: daytime highs average 37 °C, and even at night it stays warm at around 24 °C. The sun shines for around 7.9 hours a day. Rain falls on about 6 days, adding up to 40 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Teresina.
Teresina in November28December35° · 6.9 h
In December, Teresina is very hot: daytime highs average 35 °C, and even at night it stays warm at around 24 °C. The sun shines for around 6.9 hours a day. Rain is frequent, with about 11 rainy days and 86 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is not an ideal month for a holiday in Teresina.
Teresina in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Teresina
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 13 days (dew point 18 °C or more).
The coolest nights are in June (23°), the warmest in November (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 260 days a year, mostly from November to June.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 26 | 32° | 23° | 5.5 h | 22 | 219 |
| FebruaryFeb | 30 | 32° | 23° | 5.3 h | 22 | 275 |
| MarchMar | 30 | 31° | 23° | 5.2 h | 27 | 331 |
| AprilApr | 30 | 32° | 23° | 5.6 h | 23 | 254 |
| MayMay | 40 | 33° | 23° | 6.7 h | 11 | 101 |
| JuneJun | 50 | 34° | 23° | 7.4 h | 3 | 15 |
| JulyJul | 46 | 35° | 23° | 7.9 h | 2 | 9 |
| AugustAug | 49 | 37° | 23° | 8.8 h | 0 | 2 |
| SeptemberSep | 50 | 38° | 23° | 8.9 h | 1 | 3 |
| OctoberOct | 49 | 38° | 24° | 8.7 h | 2 | 16 |
| NovemberNov | 43 | 37° | 24° | 7.9 h | 6 | 40 |
| DecemberDec | 28 | 35° | 24° | 6.9 h | 11 | 86 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
5.09° S, 42.80° W · 87 m · America/Fortaleza
Sunshine
Sunshine hours in Teresina
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 8.7 of 12.2 hours of daylight in Teresina, 71 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Teresina: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Teresina has about 2 rainy days with 16 mm of rain in total.
UV index
UV index in Teresina
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 14 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in March (UV 14).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 10 min
- Light brown skin
- about 15 min
- Olive skin
- about 20 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Teresina
How breezy and how cloudy Teresina is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Teresina typically peaks at 13 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 41 % of the sky over Teresina: mostly sunny, with about 8.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Teresina
How often the day gets hot in Teresina (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, it is hot in Teresina every day, with an average daytime high of 38 °C: often hot. Avoid the midday sun, look for shade and drink plenty.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Teresina
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Teresina in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Teresina has its best school-holiday weather during October half-term (score 49) and its weakest during the Christmas holidays (score 27).
- 30
Easter holidays
Mar – Apr
Poor
- 32 °C by day
- 5.5 h of sun a day
- 24 rainy days a month
Keep in mind: Frequent rain
- 42
May half-term
May – Jun
Fair
- 33 °C by day
- 6.8 h of sun a day
- 9 rainy days a month
- 48
Summer holidays
Jul – Aug
Fair
- 36 °C by day
- 8.5 h of sun a day
- 1 rainy day a month
Keep in mind: Peak heat
- 49
October half-term
Oct
FairBest holidays
- 38 °C by day
- 8.7 h of sun a day
- 2 rainy days a month
Keep in mind: Peak heat
- 27
Christmas holidays
Dec – Jan
Poor
- 33 °C by day
- 6.2 h of sun a day
- 17 rainy days a month
Keep in mind: Peak heat, Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 30 min
- Distance
- 7,460 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Brazil
- Currency
- Brazilian Real (BRL)
- Language
- Portuguese
- Sockets
- Type C, N · 127 V
- Traffic
- Drives on the right
- Dialling code
- +55
UK plugs need a travel adapter
Only 127 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Teresina compared
Put Teresina side by side with another destination.
Teresina vs São Luís
In October São Luís has the better holiday weather (score 63 vs 49). During the day São Luís is 6 °C cooler than Teresina. São Luís gets one hour less sunshine a day.
| in October | Teresina | São Luís |
|---|---|---|
| Holiday weather score | 49 | 63 |
| Daytime high | 38° | 32° |
| Sea | no sea nearby | 28° |
| Sunshine | 9 h | 8 h |
| Rainy days | 2 | 3 |
| Best time | Jun – Oct | Sep – Nov |
Through the year
Best places in the country
Brazil in October: the best places
In October, Teresina ranks 23 among the 31 nearest destinations in this country.
- Natal30°27°90
- 2Guarapari29°23°75
- 3Armação dos Búzios26°22°72
- 4Itaguaí29°22°72
- 5Fortaleza32°27°69
- 6Aracaju29°26°68
- 7Goiana30°65
- 8João Pessoa30°27°65
- 23TeresinaThis page38°49
Places nearby
Near Teresina
Other destinations close by.
Places with a similar climate
Places with a climate like Teresina
Destinations whose weather through the year is closest to Teresina's – good alternatives.
Frequently asked questions about Teresina
When is the best time to visit Teresina?
The best time to visit Teresina is from June to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Teresina?
October is the warmest month, with average highs of 38 °C and nights around 24 °C. March is the coolest month at 31 °C.
When does it rain most in Teresina?
The rainy season is from January to April; the wettest month is March with 331 mm. The driest month is August with 2 mm.
How many hours of sunshine does Teresina get?
Teresina gets around 2,580 hours of sunshine a year. The sunniest month is September with 8.9 hours a day; in March there are 5.2 hours a day.
What time zone is Teresina in?
Teresina is on UTC−3 all year.
How long is the flight from London to Teresina?
A nonstop flight from London to Teresina takes about 9 h 30 min, for a straight-line distance of about 7,460 km.
Which school holidays are best for Teresina?
Teresina has its best school-holiday weather during October half-term (score 49) and its weakest during the Christmas holidays (score 27). Holiday ratings (0–100): Easter holidays 30, May half-term 42, summer holidays 48, October half-term 49, Christmas holidays 27.