Sun, sea & sand

Belize City weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

80

Holiday weather in May

Excellent

Best time to visit: February – May

What is the weather like in Belize City in May?

In May, Belize City is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 28.6 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 103 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Belize City.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score928072
Day29°30°29°
Night25°26°26°
Sea28°29°29°
Sun9 h8 h7 h
Rain days91624

More details for May

Daylight
12 h 56 min05:21 – 18:17
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
56 %on averageAll months
Hot days
14 days30 °C or moreAll months
Time zone
UTC−6America/Belize

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %87 %
  • Few rainy daysweight 20 %14 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Belize City in May: quick answers

Is Belize City hot in May?

Yes. In May, Belize City is hot: daytime highs average 30 °C and nights stay around 26 °C. On about 14 days the thermometer climbs to 30 °C or more.

Can you swim in Belize City in May?

Yes. In May the sea averages 28.6 °C – lovely and warm for swimming.

Does it rain much in Belize City in May?

It rains often – on about 16 days, adding up to 103 mm.

Belize City month by month

Climate averages 1996–2025, 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