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JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND

Blenheim Climate by Month

Blenheim, Marlborough, New Zealand

Warm summers and cool winters, with rain spread through the year.

Blenheim has warm summers and cool winters, with rain spread through the year. January is the warmest month, with highs around 75°F (24°C); July is the coolest at 55°F (13°C), and nights dip to 37°F (3°C). About 30 in (754 mm) of rain falls in a typical year, with no clear rainy season.

Warmest month
75°F(24°C)
Average high, January
Coldest nights
37°F(3°C)
Average low, July
Rain per year
30 in(754 mm)
No clear rainy season
Humidity
74%
Sunniest: January

Best and worst months in Blenheim

Best for weatherThe most comfortable weather comes in January and February, with highs around 75°F (24°C) and about 2.1 in (55 mm) of rain a month.

Least pleasantJune and July are the least pleasant; July is the coldest, with highs of only 55°F (13°C).

Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.

Temperature and rain through the year

Highs and lows (°F)

Average highAverage low

20°40°60°80°JFMAMJJASONDHigh Jan: 75°High Feb: 75°High Mar: 72°High Apr: 66°High May: 62°High Jun: 57°High Jul: 55°High Aug: 58°High Sep: 62°High Oct: 66°High Nov: 69°High Dec: 73°Low Jan: 55°Low Feb: 54°Low Mar: 52°Low Apr: 47°Low May: 42°Low Jun: 37°Low Jul: 37°Low Aug: 39°Low Sep: 42°Low Oct: 45°Low Nov: 49°Low Dec: 53°

Rain (in per month)

0123JFMAMJJASONDBlenheim Jan: 2.4Blenheim Feb: 1.9Blenheim Mar: 2.1Blenheim Apr: 2.6Blenheim May: 2.5Blenheim Jun: 2.9Blenheim Jul: 2.6Blenheim Aug: 2.8Blenheim Sep: 2.1Blenheim Oct: 2.7Blenheim Nov: 2.6Blenheim Dec: 2.6

Blenheim weather by month

Average monthly climate
MonthHighLowRainHumiditySun
JanBest75°F(24°C)55°F(13°C)2.4 in(62 mm)66%6.4
FebBest75°F(24°C)54°F(12°C)1.9 in(47 mm)72%5.6
Mar72°F(22°C)52°F(11°C)2.1 in(54 mm)69%4.4
Apr66°F(19°C)47°F(8°C)2.6 in(65 mm)77%2.9
May62°F(16°C)42°F(6°C)2.5 in(63 mm)83%1.9
Jun57°F(14°C)37°F(3°C)2.9 in(73 mm)82%1.5
Jul55°F(13°C)37°F(3°C)2.6 in(67 mm)85%1.7
Aug58°F(15°C)39°F(4°C)2.8 in(70 mm)78%2.5
Sep62°F(17°C)42°F(6°C)2.1 in(53 mm)75%3.6
Oct66°F(19°C)45°F(7°C)2.7 in(69 mm)73%4.9
Nov69°F(21°C)49°F(10°C)2.6 in(66 mm)64%6.1
Dec73°F(23°C)53°F(12°C)2.6 in(65 mm)66%6.3

1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.

Places with a similar climate

All 20 places like Blenheim →
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  4. 🇦🇺LauncestonTasmania, Australia · Pop. 91k97%matchSame summer highsSimilar rainfallBlenheim vs Launceston →
  5. 🇳🇿ChristchurchCanterbury, New Zealand · Pop. 419k97%matchSame winter lowsSame summer highsBlenheim vs Christchurch →

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