Blenheim Weather in March
What's the weather like in Blenheim (Marlborough) in March 2025?
The climate in Blenheim during March can be summarized as mild and reasonably dry.
March is in the fall / autumn in Blenheim and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 21.5°C 70.6°F |
|---|---|
| Nightly temperature | 10.2°C 50.3°F |
| Average temperature | 15.8°C 60.4°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 68 mm 2.7 ins |
| Rainy days | 8 days |
| Sea temperature | 17.2°C 62.9°F |
| Humidity | 75% |
| Windspeed | 16.2kph 10 mph |
On average March is the 5th driest month of the year in Blenheim with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
March temperatures in Blenheim
March rainfall
March hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Blenheim in March 2025.
Other monthly averages
Blenheim weather stats
| Hottest month: | January | 23.3°C 73.9°F |
|---|---|---|
| Driest month: | February | 43mm 1.7ins |
| Sunniest month: | February | 8.2hrs |
| Coldest month: | July | 11.2°C 52.2°F |
| Wettest month: | August | 95mm 3.7ins |
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