Jamestown Weather in March
During March, Jamestown experiences high daytime temperatures of 26°C (79°F) and cooler nights around 24°C (75°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Jamestown in March
Even as the wettest month, the precipitation is light, allowing for normal activities to continue. Climate statistics over the past 30 years suggest around 9 days of rain, with 17 mm (0.7 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Jamestown in March
March tends to be one of the perfect months in Jamestown , with 26°C (79°F) in the afternoon and 24°C (75°F) overnight. This kind of day-to-night contrast is typical for this time of year. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.To explore more travel options, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Helena, check out our Jamestown 's climate page.
Jamestown Temperature in March
Min Temperature
24°C (75°F)
Max Temperature
26°C (79°F)
Chance of Rain
29%
Precipitation
17 mm (0.7 in)
Rainy days
9 days
Humidity
64%
Daily Historical Temperatures
48-year average (1978-2025)
Based on our historical records, temperatures in Jamestown typically stay consistent throughout March, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in March
Daily Historical Precipitation
48-year average (1978-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Jamestown in March
Browse day-by-day weather records for Jamestown spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jamestown historical weather extremes in March
Based on 26 years of weather observations in Jamestown between 2000 and 2026, these are the recorded extremes.
- The warmest day in March was on March 18, 2013, with a maximum of 27°C (81°F).
- The coldest March day was on March 20, 2001, with a maximum of 20°C (68°F).
- Jamestown registered its coldest March night on March 1, 2010, with temperatures dropping to 16°C (61°F).
Best Places in Saint Helena in March
Find out more about the weather in Saint Helena and which places have the best travel conditions in this month. See all of Saint Helena in March →
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What to Wear in Jamestown in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear.What To Do in Jamestown in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Helena, check out our Jamestown 's climate page.
See the full Jamestown climate overview or explore weather in Saint Helena.
