Climate Insights for Bluff

Invercargill City, Southland, New Zealand

Hottest
January
18°C peak
Coldest
July
6°C low
Wettest
October
113mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bluff is temperate. The average annual temperature is 11°C and approximately 1166mm of precipitation falls per year. Bluff receives a notable amount of rainfall throughout the year, including during its driest month. Bluff is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to 6°C.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 18° Average: 14° Min: 12° Feb Max: 17° Average: 14° Min: 12° Mar Max: 16° Average: 13° Min: 11° Apr Max: 14° Average: 12° Min: 10° May Max: 12° Average: 10° Min: 8° Jun Max: 10° Average: 8° Min: 6° Jul Max: 10° Average: 8° Min: 6° Aug Max: 11° Average: 8° Min: 6° Sep Max: 12° Average: 9° Min: 7° Oct Max: 13° Average: 10° Min: 8° Nov Max: 15° Average: 12° Min: 10° Dec Max: 16° Average: 13° Min: 11°
Max
Average
Min

Bluff sees moderate temperature variation throughout the year, ranging from 6°C to 18°C. January is the warmest month, though highs remain moderate at 18°C with a mean of 14°C. July is the coolest month, with minimum temperatures around 6°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 105mm Feb Precipitation: 99mm Mar Precipitation: 88mm Apr Precipitation: 105mm May Precipitation: 96mm Jun Precipitation: 78mm Jul Precipitation: 91mm Aug Precipitation: 79mm Sep Precipitation: 104mm Oct Precipitation: 113mm Nov Precipitation: 104mm Dec Precipitation: 103mm
Precipitation

Bluff is a moderately rainy area, receiving approximately 1166mm of precipitation annually, which averages out to around 97mm per month. The wettest month is October, averaging 113mm of rainfall. April and January also tend to see above-average precipitation. The driest month is June, with just 78mm. That's 35mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 27km/h Feb Wind Speed: 27km/h Mar Wind Speed: 25km/h Apr Wind Speed: 29km/h May Wind Speed: 27km/h Jun Wind Speed: 25km/h Jul Wind Speed: 26km/h Aug Wind Speed: 25km/h Sep Wind Speed: 29km/h Oct Wind Speed: 30km/h Nov Wind Speed: 28km/h Dec Wind Speed: 28km/h
Wind Speed

Bluff is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 30km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 25km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 25km/h in winter, 29km/h in spring, 28km/h in summer, 27km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

89 days until Winter

It is currently autumn in Bluff, which began on March 20, 2026. Bluff is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 18°C, while the coldest stretch bottoms out in July near 6°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Winds are strong, averaging 29km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 11 to 18°C. Rainfall is heavy, totalling around 307mm across the season with a monthly average of 102mm. Winds are strong, averaging 28km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 8 to 16°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Winds are strong, averaging 27km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 6 to 11°C. Precipitation is moderate at around 248mm for the season, averaging 83mm per month. Winds are strong, averaging 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Bluff based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
12 °C
18 °C
27 km/h
105 mm
0 cm
Feb
12 °C
17 °C
27 km/h
99 mm
0 cm
Mar Current
11 °C
16 °C
25 km/h
88 mm
0 cm
Apr
10 °C
14 °C
29 km/h
105 mm
0 cm
May
8 °C
12 °C
27 km/h
96 mm
0 cm
Jun
6 °C
10 °C
25 km/h
78 mm
0 cm
Jul
6 °C
10 °C
26 km/h
91 mm
0 cm
Aug
6 °C
11 °C
25 km/h
79 mm
0 cm
Sep
7 °C
12 °C
29 km/h
104 mm
0 cm
Oct
8 °C
13 °C
30 km/h
113 mm
0 cm
Nov
10 °C
15 °C
28 km/h
104 mm
0 cm
Dec
11 °C
16 °C
28 km/h
103 mm
0 cm
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Metric (°C, km/h)