Climate and monthly weather forecastRiverton, New Zealand
Riverton, 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 most snowfall in Riverton, New Zealand, is August, when snow falls for 0.3 days and typically aggregates up to 13mm (0.51") of snow. The month with the longest days in Riverton, New Zealand, is December, with an average of 15h and 42min of daylight.
Climate and monthly weather forecast
Weather in January
January, like December, in Riverton, New Zealand, is another enjoyable summer month, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 17.1°C (62.8°F). In Riverton, the month of January registers the highest temperatures, averaging 17.1°C (62.8°F) at the peak and 10.3°C (50.5°F) at the lowest. Weather in January »Weather in February
The last month of the summer, February, is another comfortable month in Riverton, New Zealand, with temperature in the range of an average high of 17°C (62.6°F) and an average low of 10°C (50°F). The advent of February presents an average high-temperature of a still enjoyable 17°C (62.6°F), maintaining a close correlation with the preceding month. Weather in February »Weather in March
The first month of the autumn, March, is also an enjoyable month in Riverton, New Zealand, with temperature in the range of an average high of 16.1°C (61°F) and an average low of 9.4°C (48.9°F). The onset of March manifests an average high-temperature of a still enjoyable 16.1°C (61°F), demonstrating a minor variation from the preceding month. Weather in March »Weather in April
April, the same as March, in Riverton, New Zealand, is a moderate autumn month, with an average temperature fluctuating between 8.4°C (47.1°F) and 14°C (57.2°F). As April takes hold, the average high-temperature is a mild 14°C (57.2°F), nearly mirroring that of the previous month. Weather in April »Weather in May
May, the last month of the autumn in Riverton, is also a fresh month, with an average temperature ranging between min 7.2°C (45°F) and max 11.9°C (53.4°F). The unfolding of May shows an average high-temperature of a fresh 11.9°C (53.4°F), indicating a slight variance from April's 14°C (57.2°F). Weather in May »Weather in June
June, the first month of the winter in Riverton, is also a frosty month, with an average temperature fluctuating between 5.6°C (42.1°F) and 9.8°C (49.6°F). May's transformation into June witnesses an average high-temperature of a frosty 9.8°C (49.6°F), noting a minor change from the preceding month. Weather in June »Weather in July
July, like June, is another chilly winter month in Riverton, New Zealand, with an average temperature varying between 9.7°C (49.5°F) and 5.3°C (41.5°F). The coldest temperatures occur during July, when averages reach a peak of 9.7°C (49.5°F) and a low of 5.3°C (41.5°F). Weather in July »Weather in August
The last month of the winter, August, is a fresh month in Riverton, New Zealand, with an average temperature fluctuating between 5.2°C (41.4°F) and 10.7°C (51.3°F). Riverton records an average high-temperature of a cool 10.7°C (51.3°F) in August, closely mirroring the climate of the previous month. Weather in August »Weather in September
The first month of the spring, September, is still a cool month in Riverton, New Zealand, with temperature in the range of an average high of 11.9°C (53.4°F) and an average low of 5.4°C (41.7°F). An average high-temperature of a still cool 11.9°C (53.4°F) marks September, exhibiting a close resemblance to the conditions in August. Weather in September »Weather in October
October in Riverton, New Zealand, is a moderate spring month, with an average temperature fluctuating between 13.1°C (55.6°F) and 6.4°C (43.5°F). Shifting into October, Riverton records an average high-temperature of a refreshing 13.1°C (55.6°F), presenting minor fluctuations compared to the previous month. Weather in October »Weather in November
November, the last month of the spring in Riverton, is another mild month, with an average temperature varying between 14.7°C (58.5°F) and 7.5°C (45.5°F). The advent of November presents an average high-temperature of a still moderate 14.7°C (58.5°F), maintaining a close correlation with the preceding month. Weather in November »Weather in December
The first month of the summer, December, is a refreshing month in Riverton, New Zealand, with an average temperature ranging between min 9°C (48.2°F) and max 16.8°C (62.2°F). The transition from November to December sees average high-temperatures adjusting to an enjoyable 16.8°C (62.2°F), from a not significantly different 14.7°C (58.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Riverton, New Zealand
The warmest month (with the highest average high temperature) is January (17.1°C).
The month with the lowest average high temperature is July (9.7°C).
The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is August (5.2°C).
Average pressure
Riverton, New Zealand
- Average pressure in January:
1010mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1011.5mbar - Average pressure in June:
1014.2mbar
- Average pressure in July:
1011.6mbar - Average pressure in August:
1010.9mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1009.7mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is March (1015.8mbar).
The month with the lowest atmospheric pressure is September (1009.2mbar).
Average wind speed
Riverton, New Zealand
- Average wind speed in January:
17.5km/h - Average wind speed in February:
15.4km/h - Average wind speed in March:
15km/h - Average wind speed in April:
16.7km/h - Average wind speed in May:
17.7km/h - Average wind speed in June:
17.8km/h
- Average wind speed in July:
17.7km/h - Average wind speed in August:
15.8km/h - Average wind speed in September:
17.3km/h - Average wind speed in October:
19.1km/h - Average wind speed in November:
18.2km/h - Average wind speed in December:
16km/h
The windiest month (with the highest average wind speed) is October (19.1km/h).
The calmest month (with the lowest average wind speed) is March (15km/h).
Average humidity
Riverton, New Zealand
The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are January, October, November and December (79%).
Average rainfall
Riverton, New Zealand
The wettest months (with the highest rainfall) are January and November (76mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days
Riverton, New Zealand
- Average rainfall days in January:
18.9 days - Average rainfall days in February:
15.7 days - Average rainfall days in March:
18 days - Average rainfall days in April:
19.1 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
17.9 days - Average rainfall days in October:
21.5 days - Average rainfall days in November:
19.9 days - Average rainfall days in December:
17.7 days
The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is February (15.7 days).
Average snowfall
Riverton, New Zealand
The month with the highest snowfall is August (13mm).
The months with the least snowfall are January, February, March, April, June, July, October, November and December (0mm).
Average snowfall days
Riverton, 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:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0.1 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
0.3 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 August and September (0.3 days).
The months with the least snowfall days are January, February, March, April, June, October, November and December (0 days).
Average sea temperature
Riverton, New Zealand
The best month for swimming (with the highest average sea temperature) is February (15.2°C).
The coldest months (with the lowest average sea temperature) are July and August (10.8°C).
Average daylight / Average sunshine
Riverton, New Zealand
- Average daylight in January:
15h and 18min - Average daylight in February:
14h and 0min - Average daylight in March:
12h and 24min - Average daylight in April:
10h and 48min - Average daylight in May:
9h and 24min - Average daylight in June:
8h and 42min
- Average daylight in July:
9h and 0min - Average daylight in August:
10h and 12min - Average daylight in September:
11h and 48min - Average daylight in October:
13h and 24min - Average daylight in November:
14h and 54min - Average daylight in December:
15h and 42min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in January:
8h and 6min - Average sunshine in February:
7h and 24min - Average sunshine in March:
6h and 24min - Average sunshine in April:
6h and 12min - Average sunshine in May:
5h and 18min - Average sunshine in June:
4h and 30min
- Average sunshine in July:
4h and 42min - Average sunshine in August:
5h and 54min - Average sunshine in September:
6h and 36min - Average sunshine in October:
6h and 6min - Average sunshine in November:
7h and 30min - Average sunshine in December:
9h and 42min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).
Average sunshine days
Riverton, New Zealand
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
9.5 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
7.6 days - Average sunshine days in December:
9.9 days
The month with the most sunshine days is June (11.6 days).
The month with the least sunshine days is October (7.1 days).
Average UV index
Riverton, New Zealand
The months with the highest UV index are January, February, March and December (UV index 4).
The month with the lowest UV index is June (UV index 2).
Average cloud cover
Riverton, New Zealand
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility
Riverton, New Zealand
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
