January weather forecast
Christchurch, New Zealand

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Weather in January

A typical start to the year in Christchurch, New Zealand, January welcomes locals and visitors alike with higher temperatures and a pleasing humidity level. This period becomes one of the city's warmest, with the chance of rainfall being moderate. Providing a welcome breather, the wind speed stays at an average of 15.3km/h (9.5mph), gusting up to 23.1km/h (14.4mph) at times. January observes the most daylight hours witnessing 15 hours of lighten-up span. Uniquely, it also brings the highest sea temperature, reaching up to 15.8°C (60.4°F), making coastal activities exceedingly enjoyable.

Temperature

Christchurch's warmest temperatures are experienced in January, with average high temperatures of 21.3°C (70.3°F) and lows of 11.9°C (53.4°F).

Humidity

The least humid month is January, with an average relative humidity of 70%.

Rainfall

In Christchurch, in January, during 10 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 114.3 rainfall days, and 300mm (11.81") of precipitation is accumulated.

Snowfall

In Christchurch, snow does not fall in January through May, October through December.

Sea temperature

In January, the average sea temperature in Christchurch is 15.8°C (60.4°F).
Note: A surface water temperature of 15.8°C (60.4°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

In Christchurch, the average length of the day in January is 14h and 59min.
On the first day of the month, sunrise is at 5:51 am and sunset at 9:13 pm. On the last day of January, in Christchurch, sunrise is at 6:27 am and sunset at 8:57 pm NZDT.

Sunshine

In January, the average sunshine in Christchurch is 9.7h.

UV index

January is the month with the highest UV index in Christchurch, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in January interprets into the following advice:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What month is the hottest in Christchurch?

Christchurch's January weather, marked by an average high temperature of 21.3°C (70.3°F) and an average low temperature of 11.9°C (53.4°F), is the warmest in the year.

What is the average January temperature in Christchurch?

During January, Christchurch experiences an average high-temperature of 21.3°C (70.3°F) and a low-temperature of 11.9°C (53.4°F).

What is the least humid month in Christchurch?

January is the least humid month, with an average relative humidity of 70%.

What is the average humidity in January in Christchurch?

In Christchurch, the average relative humidity in January is 70%.

How many days does it rain in January in Christchurch?

In January, in Christchurch, New Zealand, the rain falls for 10 days. Throughout January, 20mm (0.79") of precipitation is accumulated.

When it does not snow in Christchurch?

In Christchurch, snow does not fall in January through May, October through December.

What is the sea temperature in January in Christchurch?

In Christchurch, New Zealand, in January, the average water temperature is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in January in Christchurch?

In January, the average day length is 14h and 59min.

What time are sunrise and sunset in January in Christchurch?

On the first day of January in Christchurch, New Zealand, sunrise is at 5:51 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:57 pm NZDT.

How long on average sun shines in January in Christchurch?

In January, the average sunshine duration in Christchurch, New Zealand, is 9.7h.

When is the highest UV index in Christchurch?

The month with the highest UV index in Christchurch is January, with an average maximum UV index of 5.

How high is the UV index in January in Christchurch?

The average daily maximum UV index in January in Christchurch, New Zealand, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Christchurch, New Zealand

Average temperature in January - Christchurch, New Zealand
  • Average high temperature in January: 21.3°C

The warmest month (with the highest average high temperature) is January (21.3°C).
The month with the lowest average high temperature is July (10.3°C).

  • Average low temperature in January: 11.9°C

The month with the highest average low temperature is January (11.9°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).

Average pressure in January
Christchurch, New Zealand

Average pressure in January - Christchurch, New Zealand
  • Average pressure in January: 1011.1mbar

The month with the highest atmospheric pressure is March (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in January
Christchurch, New Zealand

Average wind speed in January - Christchurch, New Zealand
  • Average wind speed in January: 15.3km/h

The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).

Average humidity in January
Christchurch, New Zealand

Average humidity in January - Christchurch, New Zealand
  • Average humidity in January: 70%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (70%).

Average rainfall in January
Christchurch, New Zealand

Average rainfall in January - Christchurch, New Zealand
  • Average rainfall in January: 20mm

The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is September (14mm).

Average rainfall days in January
Christchurch, New Zealand

Average rainfall days in January - Christchurch, New Zealand
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is May (8 days).

Average snowfall in January
Christchurch, New Zealand

Average snowfall in January - Christchurch, New Zealand
  • Average snowfall in January: 0mm

The month with the highest snowfall is August (5mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).

Average snowfall days in January
Christchurch, New Zealand

Average snowfall days in January - Christchurch, New Zealand
  • Average snowfall days in January: 0 days

The months with the highest number of snowfall days are June and August (0.3 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).

Average sea temperature in January
Christchurch, New Zealand

Average sea temperature in January - Christchurch, New Zealand
  • Average sea temperature in January: 15.8°C

The best month for swimming (with the highest average sea temperature) is February (16.1°C).
The coldest month (with the lowest average sea temperature) is August (9.5°C).

Average daylight in January /
Average sunshine in January
Christchurch, New Zealand

Average daylight in January / Average sunshine in January - Christchurch, New Zealand
  • Average daylight in January: 15h and 0min

The month with the longest days is December (Average daylight: 15h and 24min).
The month with the shortest days is June (Average daylight: 9h and 0min).

  • Average sunshine in January: 9h and 4min

The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 6min).

Average sunshine days in January
Christchurch, New Zealand

Average sunshine days in January - Christchurch, New Zealand
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (17.3 days).

Average UV index in January
Christchurch, New Zealand

Average UV index in January - Christchurch, New Zealand
  • Average UV index in January: 5

The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August and September (UV index 3).

Average cloud cover in January
Christchurch, New Zealand

Average cloud cover in January - Christchurch, New Zealand
  • Average cloud cover in January: 37

The month with the most cloud cover is June (Cloud cover 43).
The months with the least cloud cover are January, February, March and May (Cloud cover 37).

Average visibility in January
Christchurch, New Zealand

Average visibility in January - Christchurch, New Zealand
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).

Christchurch, New Zealand

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