Your June weather guide
HotWeather in Boa Vista in June
June is a good time to visit Boa Vista if you want warm days, very little rain and sea temperatures suitable for swimming. Daytime highs average around 27°C, nights stay near 22°C and the sea averages 23°C. For a UK traveller, that means dependable warmth without daytime temperatures regularly becoming extreme. The catch is the humidity, which can make the warmth feel heavier, so it suits a relaxed pace better than strenuous activity in the midday heat.
Long-term climate averages for Sal Rei, not a forecast · 1991-2020
Boa Vista, month by month
Your snapshot
At a glance
The useful details for Sal Rei.
- Average daytime high
- 26.6°C
- 9 in 10 days stay below 28°C
- Average night-time low
- 21.7°C
- coldest 10% of nights: 21°C or lower
- Compared with London
- +7.0°C
- London averages 19.6°C in June
- Sea temperature
- 23.0°C
- year to year: 22°C to 24°C
- Sunshine per day (est.)
- 8.6h
- 66% of 13.0 h of daylight
- Rainy days (1 mm+)
- 0
- 0 mm over the month
- Humidity
- 76%
- Days over 25°C
- 96%
- 1% over 30°C
- Record high 1991-2020
- 30.9°C
- 1995-06-18
- Record low 1991-2020
- 19.8°C
- 2018-06-01
- Flight from London
- ≈ 6 h 12 min
- 4382 km, mid-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How June compares
June is the 6th warmest month of the year in Boa Vista and ranks 70th of 134 destinations we compare for June - see where else is hot in June. Within Cape Verde it is 1st of 2 (Cape Verde in June). Against London's average high of 19.6°C in June, Boa Vista is 7.0°C warmer by day and 10.4°C warmer at night.
Daytime and night-time in June
The typical June day in Boa Vista peaks at 26.6°C, but that is an average: the warmest 10% of days reach 28.0°C or more. About 96% of days top 25°C and 1 in 125 pass 30°C. Nights average 21.7°C; one night in ten drops to 20.8°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest June day here reached 30.9°C (1995-06-18) and the coldest night 19.8°C (2018-06-01).
Rain in June
Dry (3 rainy days or fewer): about 0 days with 1 mm or more, 0 mm in total. Year to year it varies a lot - the wettest June was 2017 with 1 mm, the driest 1992 with 0 mm. Humidity averages 76%.
Sea temperature in June
The sea averages 23.0°C - warm enough to swim (22°c+). Depending on the year it ranges from 22.4°C to 23.7°C. For the warmest sea here, come in September (26.6°C).
Sunshine and daylight
Around 8.6 hours of sunshine a day (estimated from cloud cover), 13.0 hours of daylight: the sun rises about 06:00 and sets about 19:05 local time in mid-June. Average cloud cover is 34%.
Is June a good time to visit Boa Vista?
Yes - it is one of the better months: hot days, little rain and long sunny days. The best months for Boa Vista on our scoring are June, May, March; months averaging 25°C or more: Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.
Warm days without frequent extreme heat
Boa Vista is noticeably warmer than London in June, with average daytime highs around 7°C higher. Days reach 25°C on 96% of occasions, while only 1% reach 30°C, so warmth is much more dependable than intense heat. Humidity averages 76%, though, and that can make walking or exercising feel more tiring than the temperature alone suggests. Keep active plans for the cooler parts of the day and leave room for shade around midday. Lightweight, breathable clothes should cover most daytime needs. Evenings remain warm, with average lows of 21.7°C, so heavy layers are unlikely to earn their place in your luggage.
Dry weather and a sea you can swim in
June's near-absence of rain makes it a sensible choice if you dislike rearranging outdoor plans around showers. There are about 8.6 hours of sunshine within 13.0 hours of daylight, giving you plenty of scope to spend time outside without treating every sunny spell as your only chance. That does not mean clear skies all day, so keep expectations separate from the dry-weather outlook. The sea averages 23°C, suitable for swimming, although it may feel fresh as you get in. Its year-to-year range is 22°C to 24°C. Pack swimwear and sun protection, and plan breaks from direct sun rather than relying on cloud to keep you comfortable.
A little perspective
Boa Vista through the year
June is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sea | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 24.7°C | 20.1°C | 22.7°C | 5.9 | 4 | 0 | 42% |
| February | 24.5°C | 19.7°C | 21.9°C | 6.5 | 1 | 0 | 37% |
| Marchbest | 24.9°C | 19.7°C | 21.9°C | 7.4 | 1 | 0 | 41% |
| April | 25.1°C | 20.2°C | 22.2°C | 7.0 | 1 | 0 | 49% |
| Maybest | 25.7°C | 20.8°C | 22.5°C | 8.0 | 0 | 0 | 72% |
| JuneSelectedbest | 26.6°C | 21.7°C | 23.0°C | 8.6 | 0 | 0 | 96% |
| July | 27.8°C | 22.9°C | 24.3°C | 7.1 | 3 | 1 | 99% |
| August | 29.1°C | 24.5°C | 26.0°C | 6.1 | 22 | 3 | 100% |
| September | 29.4°C | 25.1°C | 26.6°C | 6.3 | 37 | 6 | 100% |
| October | 29.2°C | 24.6°C | 26.6°C | 6.4 | 18 | 2 | 100% |
| November | 27.9°C | 23.2°C | 25.7°C | 5.3 | 4 | 1 | 99% |
| December | 26.0°C | 21.6°C | 24.1°C | 5.5 | 3 | 0 | 80% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
- Sea
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in June
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Boa Vista in June FAQs
Plain answers, grounded in the averages.
Is Boa Vista hot in June?
Boa Vista is hot in June: the average daytime high is 26.6°C and nights average 21.7°C. About 96% of June days reach 25°C or more.
Can you swim in the sea in Boa Vista in June?
The sea around Boa Vista averages 23.0°C in June, which is warm enough for most people to swim comfortably. Between 1991 and 2020 it ranged from 22°C to 24°C depending on the year.
How much does it rain in Boa Vista in June?
Boa Vista sees about 0 rainy days (1 mm or more) and 0 mm of rain in a typical June. The wettest June between 1991 and 2020 was 2017 (1 mm) and the driest was 1992 (0 mm).
How sunny is Boa Vista in June?
Boa Vista gets around 8.6 hours of sunshine a day in June out of 13.0 hours of daylight (estimated from average cloud cover).
How does Boa Vista compare with the UK in June?
Boa Vista is on average 7.0°C warmer than London by day in June (26.6°C against 19.6°C).
What is the hottest June on record in Boa Vista?
Between 1991 and 2020 the hottest June day in Boa Vista reached 30.9°C on 1995-06-18, and the coldest night dropped to 19.8°C on 2018-06-01.
Is June among the best months to go?
Yes. June sits alongside May and March among Boa Vista's best months for weather. Its appeal is the combination of warm days, dry conditions and swimmable sea temperatures, rather than being the island's hottest month.
Will I need a jacket in the evening?
Average night-time lows are 21.7°C, so evenings are generally warm. A light layer is a reasonable option if you tend to feel chilly, but the temperatures do not suggest a need for heavy evening clothing.
How long is the flight from London?
The flight from London takes about 6 h 12 min, making Boa Vista a mid-haul option. That is a substantial journey for a short break, but June offers dependable warmth and very dry weather at the other end.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid) and NOAA Coral Reef Watch 5 km sea temperatures, 1991-2020
Averages computed from daily values at Sal Rei. Sea temperature from the nearest 5 km sea cell, 0.8 km from that point. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C