Climate and monthly weather forecastBelfast, New Zealand
Belfast, New Zealand - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the shortest days in Belfast is June, with an average of 9h and 0min of daylight. The least humid month in Belfast, New Zealand, is January, with an average relative humidity of 70%.
Climate and monthly weather forecast
Weather in January
January is a pleasant summer month in Belfast, New Zealand, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 11.9°C (53.4°F). Belfast's temperatures tend to reach their peak averages in January, with a high of 21.3°C (70.3°F) and a low of 11.9°C (53.4°F). Weather in January »Weather in February
February, the last month of the summer in Belfast, is also an agreeable month, with an average temperature varying between 21.2°C (70.2°F) and 11.7°C (53.1°F). The advent of February brings an average high-temperature of a still agreeable 21.2°C (70.2°F), almost identical to the preceding month. Weather in February »Weather in March
March, the first month of the autumn in Belfast, is still a refreshing month, with an average temperature fluctuating between 19°C (66.2°F) and 10.3°C (50.5°F). Transitioning from February to March, Belfast observes an average high-temperature of an enjoyable 19°C (66.2°F), differing subtly from the previous month. Weather in March »Weather in April
April, the same as March, is another comfortable autumn month in Belfast, New Zealand, with an average temperature ranging between max 16.2°C (61.2°F) and min 8.3°C (46.9°F). The onset of April brings an average high-temperature of a still refreshing 16.2°C (61.2°F), nearly matching the March temperature. Weather in April »Weather in May
The last month of the autumn, May, is another mild month in Belfast, New Zealand, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 6.4°C (43.5°F). Belfast experiences an average high-temperature of a moderate 13.6°C (56.5°F) with the onset of May, subtly varied from April's 16.2°C (61.2°F). Weather in May »Weather in June
June, the first month of the winter in Belfast, is still a cool month, with an average temperature varying between 4.7°C (40.5°F) and 10.7°C (51.3°F). June's presence marks an average high-temperature of a fresh 10.7°C (51.3°F), subtly varied from May's 13.6°C (56.5°F). Weather in June »Weather in July
July, like June, in Belfast, New Zealand, is another fresh winter month, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 10.3°C (50.5°F). Belfast experiences its lowest temperatures in July, with an average peak of 10.3°C (50.5°F) and a low of 3.8°C (38.8°F). Weather in July »Weather in August
The last month of the winter, August, is another cool month in Belfast, New Zealand, with temperature in the range of an average high of 11.8°C (53.2°F) and an average low of 4.5°C (40.1°F). At the start of August, Belfast's average high-temperature reaches a still cool 11.8°C (53.2°F), subtly different from the preceding month. Weather in August »Weather in September
The first month of the spring, September, is a moderate month in Belfast, New Zealand, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 13.2°C (55.8°F). Belfast's average high-temperature in September sits at a refreshing 13.2°C (55.8°F), showing little difference from the previous month. Weather in September »Weather in October
October, like September, is another refreshing spring month in Belfast, New Zealand, with temperature in the range of an average high of 15.2°C (59.4°F) and an average low of 5.6°C (42.1°F). The transition into October marks the average high-temperature at a still mild 15.2°C (59.4°F), differing minimally from September's 13.2°C (55.8°F). Weather in October »Weather in November
The last month of the spring, November, is a comfortable month in Belfast, New Zealand, with an average temperature fluctuating between 7.6°C (45.7°F) and 17.2°C (63°F). Belfast marks the onset of November with an average high-temperature of an enjoyable 17.2°C (63°F), subtly divergent from October's 15.2°C (59.4°F). Weather in November »Weather in December
December, the first month of the summer in Belfast, is also an enjoyable month, with an average temperature fluctuating between 10.2°C (50.4°F) and 19.6°C (67.3°F). Belfast experiences an average high-temperature of a still enjoyable 19.6°C (67.3°F) with the onset of December, subtly varied from November's 17.2°C (63°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Belfast, New Zealand
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).
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
Belfast, New Zealand
- Average pressure in January:
1011.1mbar - Average pressure in February:
1014.4mbar - Average pressure in March:
1016.9mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1012.8mbar - Average pressure in June:
1015mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.3mbar - Average pressure in September:
1011mbar - Average pressure in October:
1011.1mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011.9mbar
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
Belfast, New Zealand
- Average wind speed in January:
15.3km/h - Average wind speed in February:
14.2km/h - Average wind speed in March:
13.7km/h - Average wind speed in April:
12.9km/h - Average wind speed in May:
13.4km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
12.4km/h - Average wind speed in September:
13.8km/h - Average wind speed in October:
14.2km/h - Average wind speed in November:
14.3km/h - Average wind speed in December:
14.7km/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
Belfast, New Zealand
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (70%).
Average rainfall
Belfast, New Zealand
The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days
Belfast, New Zealand
- Average rainfall days in January:
10 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
8.5 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
8 days - Average rainfall days in June:
9.6 days
- Average rainfall days in July:
8.6 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
11 days - Average rainfall days in December:
10.2 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
Belfast, New Zealand
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
Belfast, New Zealand
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0.2 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
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 daylight / Average sunshine
Belfast, New Zealand
- Average daylight in January:
15h and 0min - Average daylight in February:
13h and 48min - Average daylight in March:
12h and 24min - Average daylight in April:
10h and 54min - Average daylight in May:
9h and 42min - Average daylight in June:
9h and 0min
- Average daylight in July:
9h and 18min - Average daylight in August:
10h and 24min - Average daylight in September:
11h and 48min - Average daylight in October:
13h and 18min - Average daylight in November:
14h and 36min - Average daylight in December:
15h and 18min
The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 0min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
7h and 24min - Average sunshine in May:
7h and 30min - Average sunshine in June:
5h and 6min
- Average sunshine in July:
6h and 30min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 36min - Average sunshine in October:
7h and 36min - Average sunshine in November:
8h and 30min - Average sunshine in December:
10h and 24min
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
Belfast, New Zealand
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
18 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
19 days - Average sunshine days in May:
21.2 days - Average sunshine days in June:
18.9 days
- Average sunshine days in July:
20.4 days - Average sunshine days in August:
20 days - Average sunshine days in September:
20 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
18.3 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
Belfast, New Zealand
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
Belfast, New Zealand
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
Belfast, New Zealand
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).





