Best year time to visit Saint Mary’s

General weather information about Saint Mary’s

Average annual temperature is 26.0 °C

Absolute maximum temperature: 37.8 °C

Absolute minimum temperature: 19.3 °C

Number of sunny days: 17 days

Number of rainy days: 348 days

Look at detailed online map of Saint Mary’s

* Weather data for Saint Mary’s Guyana is based on climate observations for 2026 year

Saint Mary’s air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)30.330.932.533.032.333.532.234.237.037.834.533.3
Average daytime temperature (°C)28.428.630.530.730.130.330.832.634.434.832.531.4
Average temperature (°C)23.824.125.125.625.325.425.827.128.228.626.926.1
Average night temperature (°C)21.121.721.722.422.922.622.623.023.523.923.222.9
Absolute minimum temperature (°C)19.320.720.321.021.821.821.921.922.322.421.521.7

Saint Mary’s monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.012.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.912.012.112.212.412.412.412.312.112.011.911.8
Daylight minimum duration (h)11.011.012.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)7.57.39.78.57.68.810.210.911.210.910.18.8
Precipitation (mm)37125616428249051036722010450164250
Sunny days201000035600
Rainy days292830303130312825253031
Snow days000000000000

Saint Mary’s - weather forecast by months

Saint Mary’s weather in januarySaint Mary’s weather in februarySaint Mary’s weather in marchSaint Mary’s weather in aprilSaint Mary’s weather in maySaint Mary’s weather in juneSaint Mary’s weather in julySaint Mary’s weather in augustSaint Mary’s weather in septemberSaint Mary’s weather in octoberSaint Mary’s weather in novemberSaint Mary’s weather in december

Best time to visit Saint Mary’s:

The largest precipitation sum in Saint Mary’s is at

  • January — 371(mm)
  • May — 490(mm)
  • June — 510(mm)
  • July — 367(mm)

    • Weather forecast in the closest to Saint Mary’s admin centers

    Weather forecast in the closest towns to Saint Mary’s

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    Frequently asked questions

    When is the best time to visit Saint Mary’s?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Saint Mary’s.
    What is the weather like in Saint Mary’s?
    See average temperature, rainfall and daylight hours for Saint Mary’s by month in the table above.
    How many sunny days does Saint Mary’s have?
    The monthly weather statistics above show sunshine and rainfall patterns for Saint Mary’s throughout the year.