Climate and monthly weather forecastAdamstown, Pitcairn
Climate and monthly weather forecast
The climate of Adamstown
Adamstown, the only settlement of the Pitcairn Islands, nestles within the Köppen climate classification as a tropical rainforest climate. This climatological setting is a defining trait of its geographical position, situated in the midst of the South Pacific Ocean. This island cluster is a true embodiment of a vibrant tropical environmental haven, featuring a stable temperature scale with a slight fluctuation from 19.8°C (67.6°F) as a yearly low in August to 26.2°C (79.2°F) as a yearly high from February to March.Undeniably, the dominant signature of Adamstown's weather pattern is its high humidity level, with an annual average around 76%. This humidity level demonstrates the presence of a significant amount of water vapour in the atmosphere, which further influences the island's climatology. Notably, the rainfall distribution showcases the tropical characteristic of Adamstown, recording over 60mm (2.36") each month. The maximum monthly festival of showers graces the land in January and December, with an average of 112mm (4.41") and 108mm (4.25") respectively.
Wind behaves fairly consistently year-round, with recorded speeds from 20.3km/h (12.6mph) in February to 26.2km/h (16.3mph) in July. The sunniest periods are crowned in November and December, with the daylight stretching out to create a stunning canvas of dramatic sunsets, painting the sky with pastel shades while counting 13.3h to 13.7h respectively.
The best time to visit Adamstown
Characterizing the best time to visit Adamstown varies greatly depending on tourist individual preferences. However, the period from June to August delivers lesser rainfall with an average between 57mm (2.24") to 65mm (2.56"). During these months, there is an increase in sunshine hours with up to 7.1h to 7.4h daily, ideal for numerous outdoor activities. Additionally, the sea temperatures dip slightly to 22.3°C (72.1°F) from June to September, drawing in those who enjoy a cooler bathing experience.The worst time to visit Adamstown
From a perspective of high rainfall and potential storms, January and December are the less ideal months to visit Adamstown. Rainfall increases up to 112mm (4.41") in December and 108mm (4.25") in January, likely to limit outdoor explorations. Additionally, the relative humidity reaches 78%, which might result in rather sultry conditions.Spring weather in Adamstown
Spring in Adamstown does not follow the same script as temperate climates. The period from September to November presents a uniform temperature pattern from 21.3°C (70.3°F) to 24.2°C (75.6°F). Rainfall patterns echo the same theme, indicating a slight incline from 62mm (2.44") in September to 76mm (2.99") in November. Furthermore, the wind speed also remains fairly consistent, from 24.7km/h (15.3mph) to 22.7km/h (14.1mph).Summer weather in Adamstown
Summer runs from December through February in Adamstown. During this period, the weather exhibits its tropical character with high rainfall from 104mm (4.09") in February to 112mm (4.41") in December. Sea temperatures hit their peak in these months with an average from 26.1°C (79°F) to 27.3°C (81.1°F), offering a flavor of tropical richness to beach lovers.Autumn weather in Adamstown
With a temperature range from 21.6°C (70.9°F) in June to 23.8°C (74.8°F) in April, Autumn in Adamstown is quite mild. The rainfall during this period varies from 73mm (2.87") in May to 98mm (3.86") in April. These months also offer longer sunshine hours, between 6h to 7.5h per day, ideal for those who wish to grab their share of radiant warmth from the sun.Winter weather in Adamstown
Winter in Adamstown, through July to September, can veer on being relatively cooler, with temperatures from 19.8°C (67.6°F) in August to 21.6°C (70.9°F) in July. Despite the lower temperatures, the persistent tropical atmosphere ensures a warm winter, devoid of bone-chilling cold. Rainfall drops to fairly lower levels, from 57mm (2.24") in July to 65mm (2.56") in August. Winter days allow appreciable sunshine with durations from 7.1h to 7.4h, adding brightness to the Adamstown winter sky.Weather in January
During January in Adamstown, consistent rainfall characterizes the weather pattern, resulting in an environment ripe with lush greenery and incredible ocean views. The city's inhabitants observe fluctuations in temperature, humidity, and wind speed, with the month recording a significant high of 25.4°C (77.7°F) and rainfall reaching 108mm (4.25"). Weather in January »Weather in February
The weather transition between January and February in Adamstown is a seamless blend, with February maintaining the climate's relative consistency. However, subtle changes such as a slight increase in daytime temperature to 26.2°C (79.2°F) and a gentle easing in rainfall to 104mm (4.09") are observed. Weather in February »Weather in March
Adamstown's weather remains constant from February to March. The main difference lies in the pattern of rainfall, which has a slight increase in frequency from 18.3 to 21.3 days. These weather conditions further enhance the lushness of the local vegetation, painting a vibrant, green landscape across the city. Weather in March »Weather in April
In April, things start to change a bit in Adamstown, although temperature variations remain insignificant. The onset of a slightly cooler climate is witnessed, with a decrease in the average high temperatures from 26.2°C (79.2°F) to 24.9°C (76.8°F). Weather in April »Weather in May
May identifies a continuation of Adamstown's cooler weather pattern started in April. The first true whispers of autumn become evident, distinguished by the slight fading of the vibrant colours that adorned the cityscape during the high summer months. Weather in May »Weather in June
June brings with it the start of winter in Adamstown. Although the city does not experience the aggressive snowfall associated with colder regions, the temperature drop is felt, decreasing to an average low of 21.3°C (70.3°F). However, the city remains radiant, boasting scenic walks under the intermittently cloudy sky. Weather in June »Weather in July
Visitors to Adamstown in July will experience the peak of winter. This period registers the lowest average temperatures throughout the year, with the mercury barely topping 21.6°C (70.9°F). With the local flora shifting from verdant to a more subdued palette, the city takes on a different aesthetic charm. Weather in July »Weather in August
By August, Adamstown begins the transition towards more pleasant weather conditions. The city's weather remains settled, with temperatures averaging from 19.8°C (67.6°F) to 21.4°C (70.5°F). Even as the residual chill from July's peak winter lingers, the skies often display a play of light and shadow, courtesy of the increased cloud cover. Weather in August »Weather in September
With the arrival of September, Adamstown starts to shake off its winter persona. The weather during this time gradually warms up, with the temperature range stabilizing between 19.9°C (67.8°F) to 21.3°C (70.3°F). The city, too, transitions, preparing to welcome a new season of blooming flowers and sunny days. Weather in September »Weather in October
Adamstown welcomes October with the onset of summer and a significant change in weather. Rainfall levels increase dramatically from 62mm (2.44") in September to 110mm (4.33") in October. The city witnesses a bloom like no other as flowers start to come alive after the winter slumber. Weather in October »Weather in November
November in Adamstown sees fully established summer conditions. The city basks under the warm sun, with summer fervour resonating throughout the community. Maintaining its tropical heritage, Adamstown records temperatures ranging between 21.8°C (71.2°F) and 22.9°C (73.2°F). Weather in November »Weather in December
The final month of the year sees Adamstown fully embracing its summer trappings. The city is in full festive mode, with people enjoying the warm weather that hovers around 24.2°C (75.6°F). This period of the year witnesses a net increase in local and foreign visitors, all in order to experience the city's well-known summer thrills. Weather in December »Updated: Jan 29, 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
The months with the highest humidity are January, October through December, with an average relative humidity of 78%.
Throughout the year, in Adamstown, Pitcairn, there are 219.1 rainfall days, and 1048mm (41.26") of precipitation is accumulated.
The months with the highest UV index are January and February, with an average maximum UV index of 7.
The yearly peak temperatures occur in February and March, averaging a high-temperature of 26.2°C (79.2°F).
March is the month with the warmest seawater in Adamstown, Pitcairn, with an average sea temperature of 27.3°C (81.1°F).
The month with the shortest days in Adamstown, Pitcairn, is June, with an average of 10h and 36min of daylight.
June has the least sunshine of the year in Adamstown, with an average of 6h of sunshine.
The months with the lowest UV index in Adamstown are June, August and September, with an average maximum UV index of 5.
With an average relative humidity of 75%, July is the least humid month in Adamstown.
July is the month with the least rainfall. Rain falls for 15.6 days and accumulates 57mm (2.24") of precipitation.
The months with the coldest seawater in Adamstown are August and September, with an average sea temperature of 22.3°C (72.1°F).
Adamstown's September weather reaches an average high of 21.3°C (70.3°F) and an average low of 19.9°C (67.8°F), making it the coldest month.
December is the month with the most rainfall. Rain falls for 18.4 days and accumulates 112mm (4.41") of precipitation.
The month with the longest days in Adamstown, Pitcairn, is December, with an average of 13h and 42min of daylight.
Adamstown, Pitcairn, does not observe Daylight Saving Time (DST). -08 timezone is used over the entire year.
December has the most sunshine of the year in Adamstown, Pitcairn, with an average of 9.2h of sunshine.
Average temperature
Adamstown, Pitcairn
The warmest months (with the highest average high temperature) are February and March (26.2°C).
The month with the lowest average high temperature is September (21.3°C).
The months with the highest average low temperature are February and March (25.3°C).
The coldest month (with the lowest average low temperature) is August (19.8°C).
Average pressure
Adamstown, Pitcairn
- Average pressure in January:
1016.3mbar - Average pressure in February:
1016.6mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1016.5mbar - Average pressure in May:
1017.2mbar - Average pressure in June:
1018.8mbar
- Average pressure in July:
1019.2mbar - Average pressure in August:
1018.5mbar - Average pressure in September:
1019.7mbar - Average pressure in October:
1018.2mbar - Average pressure in November:
1017.4mbar - Average pressure in December:
1016.7mbar
The month with the highest atmospheric pressure is September (1019.7mbar).
The month with the lowest atmospheric pressure is January (1016.3mbar).
Average wind speed
Adamstown, Pitcairn
- Average wind speed in January:
20.7km/h - Average wind speed in February:
20.3km/h - Average wind speed in March:
21.7km/h - Average wind speed in April:
22.8km/h - Average wind speed in May:
23.7km/h - Average wind speed in June:
25.7km/h
- Average wind speed in July:
26.2km/h - Average wind speed in August:
25.8km/h - Average wind speed in September:
24.7km/h - Average wind speed in October:
24.1km/h - Average wind speed in November:
22.7km/h - Average wind speed in December:
22.7km/h
The windiest month (with the highest average wind speed) is July (26.2km/h).
The calmest month (with the lowest average wind speed) is February (20.3km/h).
Average humidity
Adamstown, Pitcairn
The months with the highest relative humidity are January, October, November and December (78%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Adamstown, Pitcairn
- Average rainfall in January:
108mm - Average rainfall in February:
104mm - Average rainfall in March:
104mm - Average rainfall in April:
98mm - Average rainfall in May:
73mm - Average rainfall in June:
79mm
The wettest month (with the highest rainfall) is December (112mm).
The driest month (with the least rainfall) is July (57mm).
Average rainfall days
Adamstown, Pitcairn
- Average rainfall days in January:
22 days - Average rainfall days in February:
18.3 days - Average rainfall days in March:
21.3 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
19.2 days - Average rainfall days in November:
17.2 days - Average rainfall days in December:
18.4 days
The month with the highest number of rainy days is January (22 days).
The month with the least rainy days is September (14.8 days).
Average sea temperature
Adamstown, Pitcairn
The best month for swimming (with the highest average sea temperature) is March (27.3°C).
The coldest months (with the lowest average sea temperature) are August and September (22.3°C).
Average daylight / Average sunshine
Adamstown, Pitcairn
- Average daylight in January:
13h and 30min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 54min - Average daylight in June:
10h and 36min
- Average daylight in July:
10h and 48min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 18min - Average daylight in December:
13h and 42min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in January:
7h and 54min - Average sunshine in February:
8h and 12min - Average sunshine in March:
8h and 0min - Average sunshine in April:
7h and 30min - Average sunshine in May:
7h and 0min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
7h and 24min - Average sunshine in August:
7h and 6min - Average sunshine in September:
7h and 18min - Average sunshine in October:
7h and 24min - Average sunshine in November:
9h and 0min - Average sunshine in December:
9h and 12min
The month with the most sunshine is December (Average sunshine: 9h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days
Adamstown, Pitcairn
- Average sunshine days in January:
4.9 days - Average sunshine days in February:
5.5 days - Average sunshine days in March:
6.1 days - Average sunshine days in April:
5.4 days - Average sunshine days in May:
6.9 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
7.8 days - Average sunshine days in September:
9.5 days - Average sunshine days in October:
6.4 days - Average sunshine days in November:
6.1 days - Average sunshine days in December:
6.2 days
The month with the most sunshine days is July (10.6 days).
The month with the least sunshine days is January (4.9 days).
Average UV index
Adamstown, Pitcairn
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are June, August and September (UV index 5).
Average cloud cover
Adamstown, Pitcairn
The month with the most cloud cover is October (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 40).
Average visibility
Adamstown, Pitcairn
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).
