January weather forecast
Napier, New Zealand

Weather in January

January, the same as December, is a moderately hot summer month in Napier, New Zealand, with an average temperature ranging between max 24.5°C (76.1°F) and min 14.6°C (58.3°F).

Temperature

The warmest month is January, with an average high-temperature of 24.5°C (76.1°F) and an average low-temperature of 14.6°C (58.3°F).

Humidity

The average relative humidity in January is 69.9%.

Rainfall

January is the month with the least rainfall in Napier. Rain falls for 6 days and accumulates 46.8mm (1.84") of precipitation.

Sea temperature

In January, the average sea temperature in Napier is 19.3°C (66.7°F).
Note: Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In January, the average length of the day is 14h and 35min.
On the first day of January, sunrise is at 5:48 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:30 pm NZDT.

Sunshine

With an average of 8h of sunshine, January has the most sunshine of the year in Napier.

UV index

The months with the highest UV index in Napier are January and December, with an average maximum UV index of 11. A UV Index estimate of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 11 in January transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Napier?

The warmest month in Napier is January, with an average high-temperature of 24.5°C (76.1°F) and an average low-temperature of 14.6°C (58.3°F).

What is the average humidity in January in Napier?

In Napier, the average relative humidity in January is 69.9%.

What is the driest month in Napier?

January is the month with the least rainfall. Rain falls for 6 days and accumulates 46.8mm (1.84") of precipitation.

How many days does it rain in January in Napier?

In January, the rain falls for 6 days. Throughout January, 46.8mm (1.84") of precipitation is accumulated.

What is the sea water temperature in January in Napier?

In Napier, New Zealand, the average seawater temperature in January is 19.3°C (66.7°F). For most, swimming in 19.3°C (66.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Napier have in January?

The average day length in January is 14h and 35min.

What time are sunrise and sunset in January in Napier?

In January, on the first day of the month, sunrise is at 5:48 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:30 pm NZDT.

What month has the most sunshine in Napier?

With an average of 8h of sunshine, January has the most sunshine of the year in Napier, New Zealand.

How long on average sun shines in January in Napier?

In Napier, New Zealand, the average sunshine duration in January is 8h.

What is the month with the highest UV index in Napier?

The months with the highest UV index in Napier are January and December, with an average maximum UV index of 11.

What is the UV index intensity in January in Napier?

The average daily maximum UV index in January in Napier is 11. A UV Index estimate of 11, and higher, represents an extreme health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in January
Napier, New Zealand

Average temperature in January - Napier, New Zealand
  • Average high temperature in January: 24.5°C

The warmest month (with the highest average high temperature) is January (24.5°C).
The month with the lowest average high temperature is July (14.1°C).

  • Average low temperature in January: 14.6°C

The months with the highest average low temperature are January and February (14.6°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).

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Average humidity in January
Napier, New Zealand

Average humidity in January - Napier, New Zealand
  • Average humidity in January: 69.9%

The month with the highest relative humidity is June (79.9%).
The month with the lowest relative humidity is December (67%).

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Average rainfall in January
Napier, New Zealand

Average rainfall in January - Napier, New Zealand
  • Average rainfall in January: 46.8mm

The wettest month (with the highest rainfall) is July (108.3mm).
The driest month (with the least rainfall) is January (46.8mm).

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Average rainfall days in January
Napier, New Zealand

Average rainfall days in January - Napier, New Zealand
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is July (9.4 days).
The month with the least rainy days is February (5.9 days).

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Average sea temperature in January
Napier, New Zealand

Average sea temperature in January - Napier, New Zealand
  • Average sea temperature in January: 19.3°C

The best month for swimming (with the highest average sea temperature) is February (19.9°C).
The coldest month (with the lowest average sea temperature) is August (13.5°C).

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

Average daylight in January / Average sunshine in January - Napier, New Zealand
  • Average daylight in January: 14h and 35min

The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 26min).

  • Average sunshine in January: 8h and 0min

The month with the most sunshine is January (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 18min).

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Average UV index in January
Napier, New Zealand

Average UV index in January - Napier, New Zealand
  • Average UV index in January: 11

The months with the highest UV index are January and December (UV index 11).
The month with the lowest UV index is June (UV index 1).

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