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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Island Bay, New Zealand, is another enjoyable summer month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 15°C (59°F). With the advent of January, Island Bay's high-temperatures adjust to a still comfortable 18.5°C (65.3°F), closely aligning with the preceding month. Weather in January »
Weather in February
February, the last month of the summer in Island Bay, is another refreshing month, with an average temperature fluctuating between 18.8°C (65.8°F) and 15.4°C (59.7°F). February stands out as Island Bay's warmest month, with an average high-temperature of 18.8°C (65.8°F) and a low-temperature of 15.4°C (59.7°F). Weather in February »
Weather in March
March, the first month of the autumn in Island Bay, is still a refreshing month, with an average temperature fluctuating between 14.3°C (57.7°F) and 17.8°C (64°F). March's arrival registers an average high-temperature of a still enjoyable 17.8°C (64°F), closely aligning with the temperature of the previous month. Weather in March »
Weather in April
April, the same as March, in Island Bay, New Zealand, is a moderate autumn month, with an average temperature fluctuating between 13°C (55.4°F) and 15.8°C (60.4°F). April's average high-temperature is a mild 15.8°C (60.4°F), maintaining a close comparison with March's 17.8°C (64°F). Weather in April »
Weather in May
The last month of the autumn, May, is another mild month in Island Bay, New Zealand, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 14.1°C (57.4°F). The transition into May is marked with an average high-temperature of a still mild 14.1°C (57.4°F), showing an insignificant shift from April's 15.8°C (60.4°F). Weather in May »
Weather in June
The first month of the winter, June, is still a cool month in Island Bay, New Zealand, with temperature in the range of an average low of 9.7°C (49.5°F) and an average high of 12.3°C (54.1°F). Island Bay greets June with an average high-temperature of a fresh 12.3°C (54.1°F), marking a slight deviation from the preceding month. Weather in June »
Weather in July
July, like June, in Island Bay, New Zealand, is another fresh winter month, with temperature in the range of an average high of 11.4°C (52.5°F) and an average low of 9°C (48.2°F). Island Bay's July weather, marked by an average high temperature of 11.4°C (52.5°F) and an average low temperature of 9°C (48.2°F), is the coldest in the year. Weather in July »
Weather in August
The last month of the winter, August, is also a fresh month in Island Bay, New Zealand, with temperature in the range of an average high of 11.8°C (53.2°F) and an average low of 9.5°C (49.1°F). Upon the onset of August, Island Bay witnesses an average high-temperature of a still cool 11.8°C (53.2°F), showing a close resemblance to the prior month. Weather in August »
Weather in September
The first month of the spring, September, is still a cool month in Island Bay, New Zealand, with an average temperature fluctuating between 12.5°C (54.5°F) and 9.6°C (49.3°F). The average high-temperature for September is a still fresh 12.5°C (54.5°F), closely aligning with the temperature of the preceding month. Weather in September »
Weather in October
October is a moderate spring month in Island Bay, New Zealand, with an average temperature varying between 10.5°C (50.9°F) and 13.8°C (56.8°F). October welcomes an average high-temperature of a refreshing 13.8°C (56.8°F), not much different from the preceding month. Weather in October »
Weather in November
The last month of the spring, November, is another mild month in Island Bay, New Zealand, with temperature in the range of an average high of 15.2°C (59.4°F) and an average low of 12°C (53.6°F). Island Bay records an average high-temperature of a still moderate 15.2°C (59.4°F) as November arrives, nearly mirroring the previous month's climate. Weather in November »
Weather in December
The first month of the summer, December, is a comfortable month in Island Bay, New Zealand, with an average temperature ranging between min 14°C (57.2°F) and max 17.2°C (63°F). The commencement of December introduces an average high-temperature of a still refreshing 17.2°C (63°F), closely mirroring the preceding month. Weather in December »
Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the driest month in Island Bay?
January and February are months with the least rain when the rain falls for 9.6 days and typically aggregates up to 20mm (0.79") of rain.
How much does it rain in Island Bay?
In Island Bay, during the entire year, the rain falls for 144.3 days and collects up to 394mm (15.51") of precipitation.
What is the month with the highest UV index in Island Bay?
The months with the highest UV index in Island Bay are January through March and December, with an average maximum UV index of 5.
What is the warmest month in Island Bay?
Island Bay's warmest month, February, registers temperatures that range from a high of 18.8°C (65.8°F) to a low of 15.4°C (59.7°F).
What is the most humid month in Island Bay?
February through April and December, with an average relative humidity of 80%, are most humid months.
When is Daylight Saving Time (DST) in Island Bay?
On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends, and the time zone changes from NZDT to NZST. The next Daylight Saving Time starts on Sunday, 29. September 2024, at 2:00 am, and the time zone reverts from NZST to NZDT.
What are the months with the lowest UV index in Island Bay?
May and June, with an average maximum UV index of 3, are months with the lowest UV index in Island Bay.
What is the wettest month in Island Bay?
June is the month with the most rainfall in Island Bay, New Zealand. Rain falls for 14.5 days and accumulates 47mm (1.85") of precipitation.
What is the month with the shortest days in Island Bay?
The month with the shortest days is June, with an average of 9h and 12min of daylight.
What is the month with the least sunshine in Island Bay?
June has the least sunshine of the year in Island Bay, with an average of 5.4h of sunshine.
What is the coldest month in Island Bay?
In Island Bay, New Zealand, the average lowest temperatures are observed in July, with a high of 11.4°C (52.5°F) and a low of 9°C (48.2°F).
What is the least humid month in Island Bay?
The least humid month is July, with an average relative humidity of 78%.
When are the longest days in Island Bay?
The month with the longest days in Island Bay is December, with an average of 15h and 6min of daylight.
What month has the most sunshine in Island Bay?
The month with the most sunshine in Island Bay, New Zealand, is December, with an average of 9.4h of sunshine.
Average temperature
Island Bay, New Zealand
The warmest month (with the highest average high temperature) is February (18.8°C).
The month with the lowest average high temperature is July (11.4°C).
The month with the highest average low temperature is February (15.4°C).
The coldest month (with the lowest average low temperature) is July (9°C).
Average pressure
Island Bay, New Zealand
- Average pressure in January:
1012.4mbar - Average pressure in February:
1015.3mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1016.9mbar - Average pressure in May:
1014mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1014mbar - Average pressure in August:
1013.3mbar - Average pressure in September:
1012.2mbar - Average pressure in October:
1012.4mbar - Average pressure in November:
1012.2mbar - Average pressure in December:
1013.3mbar
The month with the highest atmospheric pressure is March (1017.7mbar).
The months with the lowest atmospheric pressure are September and November (1012.2mbar).
Average wind speed
Island Bay, New Zealand
- Average wind speed in January:
25.7km/h - Average wind speed in February:
23.3km/h - Average wind speed in March:
23.1km/h - Average wind speed in April:
24.4km/h - Average wind speed in May:
25.5km/h - Average wind speed in June:
24.2km/h
- Average wind speed in July:
26km/h - Average wind speed in August:
24.1km/h - Average wind speed in September:
26.9km/h - Average wind speed in October:
26.8km/h - Average wind speed in November:
26.1km/h - Average wind speed in December:
24.5km/h
The windiest month (with the highest average wind speed) is September (26.9km/h).
The calmest month (with the lowest average wind speed) is March (23.1km/h).
Average humidity
Island Bay, New Zealand
The months with the highest relative humidity are February, March, April and December (80%).
The month with the lowest relative humidity is July (78%).
Average rainfall
Island Bay, New Zealand
The wettest month (with the highest rainfall) is June (47mm).
The driest months (with the least rainfall) are January and February (20mm).
Average rainfall days
Island Bay, New Zealand
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
8 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
13.7 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
13 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (8 days).
Average daylight / Average sunshine
Island Bay, New Zealand
- Average daylight in January:
14h and 5min - Average daylight in February:
13h and 4min - Average daylight in March:
12h and 2min - Average daylight in April:
11h and 0min - Average daylight in May:
9h and 5min - Average daylight in June:
9h and 1min
- Average daylight in July:
9h and 3min - Average daylight in August:
10h and 3min - Average daylight in September:
11h and 5min - Average daylight in October:
13h and 1min - Average daylight in November:
14h and 2min - Average daylight in December:
15h and 1min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in January:
8h and 5min - Average sunshine in February:
8h and 1min - Average sunshine in March:
8h and 0min - Average sunshine in April:
7h and 3min - Average sunshine in May:
7h and 2min - Average sunshine in June:
5h and 2min
- Average sunshine in July:
7h and 1min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 3min - Average sunshine in October:
7h and 5min - Average sunshine in November:
9h and 1min - Average sunshine in December:
9h and 2min
The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 24min).
Average sunshine days
Island Bay, New Zealand
- Average sunshine days in January:
18 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
19 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
13.9 days - Average sunshine days in June:
11.5 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
16 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is June (11.5 days).
Average UV index
Island Bay, New Zealand
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May and June (UV index 3).
Average cloud cover
Island Bay, New Zealand
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 30).
Average visibility
Island Bay, New Zealand
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
