Climate and monthly weather forecastSamarai, Papua New Guinea
Climate and monthly weather forecast
The climate of Samarai
Samarai, a small island located in Papua New Guinea, falls within the tropical wet and dry climate according to the Köppen climate classification. The island experiences a somewhat consistent weather pattern throughout the year due to its proximity to the equator. The climate is characterized by high humidity, rainfall, and temperatures that hover between 23.3°C (73.9°F) and 29.5°C (85.1°F).Throughout the year, Samarai sees a substantial variation in rainfall, with the wettest month registering 163mm (6.42") of rainfall in March and the driest month receiving 66mm (2.6") in September. Relative humidity fluctuates slightly, staying within the range of 77% to 84%. Wind speeds generally increase through the first half of the year, reaching a peak of 13.6km/h (8.5mph) in June, and then slowly decrease through the second half, returning to the yearly minimum of 6.7km/h (4.2mph) by February.
Samarai boasts a stable sea temperature ranging from 25.9°C (78.6°F) to 29.2°C (84.6°F). The most visible cloud coverage is in June, where the cloud percentage reaches 48%, whilst February and December see slightly fewer clouds at 35%. Pressure ranges modestly from 1007.2 mb to 1012.1 mb, without any particularly dramatic fluctuations.
The best time to visit Samarai
The best time to visit Samarai is between August and October, as these months typically see lower rainfall, ranging between 66mm (2.6") and 112mm (4.41"), and a lower cloud presence. Moreover, wind speeds decrease slightly, providing a milder climate. The temperatures during these months remain comfortably warm, averaging between 23.3°C (73.9°F) and 27.5°C (81.5°F), coupled with sea temperatures that are conducive for swimming and water-based activities, hovering between 26.2°C (79.2°F) and 27.3°C (81.1°F).The worst time to visit Samarai
The least favorable time to visit Samarai is from March to June. These months are characterized by the island's highest rainfall levels, peaking at 163mm (6.42") in March. Coupled with the highest wind speeds, peaking at 13.6km/h (8.5mph) in June, outdoor activities may be hindered. Additionally, these months have a significantly higher cloud percentage, reducing sunshine hours and visibility.Spring weather in Samarai
Spring in Samarai, from September to November, is characterized by a steady rise in temperature and sunshine hours, with less rainfall compared to preceding months. September, in particular, has the least rainfall in the year at 66mm (2.6"). Temperatures range between 23.4°C (74.1°F) and 28.2°C (82.8°F) during this period, while sea temperatures increase from 26.2°C (79.2°F) to 27.9°C (82.2°F). Wind speeds also decrease from 12.8km/h (8mph) to 9.1km/h (5.7mph) over the course of spring.Summer weather in Samarai
Summer in Samarai, from December to February, is marked by stable temperatures ranging between 25.1°C (77.2°F) and 29.5°C (85.1°F). These are the warmest months with sea temperatures peaking at 29.2°C (84.6°F) in December. Rainfall ranges from 100mm (3.94") in December to 132mm (5.2") in January making this period relatively wet. Wind speeds are at their lowest in these months and daylight hours are maximized providing conducive conditions for outdoor activities.Autumn weather in Samarai
Autumn, from March to May, witnesses a moderate level of rainfall with April having the least at 95mm (3.74") and March having the most at 163mm (6.42"). Though the temperatures remain high, ranging from 24.9°C (76.8°F) to 29°C (84.2°F), the increase in wind speeds from 7.5km/h (4.7mph) to 10.5km/h (6.5mph) in May ensures a pleasant climate. High relative humidity in the range of 79% to 83% characterizes this season.Winter weather in Samarai
Winter spans June through August, where weather conditions are characterized by a drop in both temperature and rainfall. The change in temperature is slight, shifting from 23.3°C (73.9°F) to 26.2°C (79.2°F). Rainfall dips to its yearly low at 70mm (2.76") in August. The rise in wind speed, peaking at 13.6km/h (8.5mph) in June, and an increase in cloud percentage to 48% contribute to a relatively cooler climate during the winter months.Weather in January
January in Samarai, Papua New Guinea, embraces the year with a relatively high humidity of 78% along with a sea temperature of 29.2°C (84.6°F). The presence of heat and moisture promotes conditions for rainfall, resulting in more precipitation days. Weather in January »Weather in February
While leaving January behind, February experiences a marginal increase in the low temperatures (from 25.5°C (77.9°F) to 25.6°C (78.1°F)) but a small decrease in the high temperatures (from 29.5°C (85.1°F) to 29.4°C (84.9°F)). Weather in February »Weather in March
In contrast to February, March encounters an escalation in the average rainfall, climbing up to a notable 163mm (6.42"). There is also a fractional drop in the high temperatures, shifting from 29.4°C (84.9°F) to 28.9°C (84°F). Weather in March »Weather in April
April marks a noticeable shift in weather, with a slight decrease in temperature from 29°C (84.2°F) to 28.3°C (82.9°F), and an increase in relative humidity. The calming sea breeze facilitates the comfortable weather conditions during this time. Weather in April »Weather in May
May experiences a minor rise in both low and high temperatures, climate characteristics unique to this period in Samarai. The sea temperature reduces to 27.7°C (81.9°F), bidding farewell to the warm sea currents of the previous months. Weather in May »Weather in June
The city of Samarai enters June with cool sea temperatures of 27°C (80.6°F). Daylight hours subtly lengthen, leaving a bit more time for exploration and activities. Winds in Samarai blow stronger during June, carrying the scent of rain and sea across the city. Weather in June »Weather in July
July in Samarai, Papua New Guinea, experiences a dip in both high and low temperatures from June's 26.5°C (79.7°F) and 24°C (75.2°F) to July's 25.9°C (78.6°F) and 23.3°C (73.9°F) respectively. Concurrently, the sea temperature continues its downward trend to reach 26.3°C (79.3°F). Weather in July »Weather in August
As August arrives, the weather pattern in Samarai wavers slightly, switching to higher temperatures and lower rainfall. Pressure readings remain stable, and the winds seem to level off at a more modest speed. With the sea temperature at 25.9°C (78.6°F), swimmers find the waters refreshing and invigorating. Weather in August »Weather in September
September in Samarai records an increase in both sea and air temperatures, feeding into the city's tropical charm. A slow resurgence in rainfall marks the onset of the wetter season, punctuated by cascading showers. Winds continue to maintain their tempo, steering the weather to more pleasant fronts. Weather in September »Weather in October
October descends with a shift in Samarai's weather dynamics as temperatures persistently increase from September's range. Additional sunshine brightens the city, reducing the prevalence of the rainy days seen in the starting month of fall. Weather in October »Weather in November
November brings drastic changes to Samarai as it receives a maximum rainfall of 112mm (4.41"), a significant hike from October's 66mm (2.6"). Despite this, an increase in daylight and sun hours, combined with declining wind speeds, contribute to the pleasantly warm weather prevalent in this month. Weather in November »Weather in December
December in Samarai, Papua New Guinea, concludes the calendar year with a high temperature range from 24.5°C (76.1°F) to 29.2°C (84.6°F). However, the wind speed cools down to a gentle breeze, creating a more pacifying environment. Weather in December »Updated: Feb 3, 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
January, with an average high of 29.5°C (85.1°F) and a low of 25.5°C (77.9°F), signifies the warmest month of the year.
Throughout the year, in Samarai, there are 235.8 rainfall days, and 1249mm (49.17") of precipitation is accumulated.
January is the month with the warmest seawater in Samarai, Papua New Guinea, with an average sea temperature of 29.2°C (84.6°F).
January through April, October through December, with an average maximum UV index of 7, are months with the highest UV index.
With an average relative humidity of 77%, February is the least humid month in Samarai.
The month with the most rainfall is March, when the rain falls for 21.3 days and typically aggregates up to 163mm (6.42") of precipitation.
The months with the lowest UV index are May through September, with an average maximum UV index of 6.
With an average relative humidity of 84%, June is the most humid month in Samarai.
The month with the shortest days in Samarai, Papua New Guinea, is June, with an average of 11h and 30min of daylight.
Samarai's coldest temperatures are experienced in July, with average high temperatures of 25.9°C (78.6°F) and lows of 23.3°C (73.9°F).
The month with the least sunshine is July, with an average of 5.5h of sunshine.
August is the month with the coldest seawater in Samarai, with an average sea temperature of 25.9°C (78.6°F).
September is the month with the least rainfall in Samarai, Papua New Guinea. Rain falls for 16.5 days and accumulates 66mm (2.6") of precipitation.
December has the longest days of the year in Samarai, with an average of 12h and 42min of daylight.
Samarai, Papua New Guinea, does not observe Daylight Saving Time (DST). +10 timezone is used throughout the entire year.
The month with the most sunshine in Samarai, Papua New Guinea, is December, with an average of 10.8h of sunshine.
Average temperature
Samarai, Papua New Guinea
The warmest month (with the highest average high temperature) is January (29.5°C).
The month with the lowest average high temperature is July (25.9°C).
The month with the highest average low temperature is February (25.6°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).
Average pressure
Samarai, Papua New Guinea
- Average pressure in January:
1007.2mbar - Average pressure in February:
1007.7mbar - Average pressure in March:
1008.2mbar - Average pressure in April:
1009.4mbar - Average pressure in May:
1010.5mbar - Average pressure in June:
1011.2mbar
- Average pressure in July:
1011.8mbar - Average pressure in August:
1012.1mbar - Average pressure in September:
1011.8mbar - Average pressure in October:
1010.9mbar - Average pressure in November:
1009.1mbar - Average pressure in December:
1007.7mbar
The month with the highest atmospheric pressure is August (1012.1mbar).
The month with the lowest atmospheric pressure is January (1007.2mbar).
Average wind speed
Samarai, Papua New Guinea
- Average wind speed in January:
7.3km/h - Average wind speed in February:
6.7km/h - Average wind speed in March:
7.5km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
12km/h
- Average wind speed in July:
13.6km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
12.8km/h - Average wind speed in October:
10.9km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
7.6km/h
The windiest month (with the highest average wind speed) is July (13.6km/h).
The calmest month (with the lowest average wind speed) is February (6.7km/h).
Average humidity
Samarai, Papua New Guinea
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (77%).
Average rainfall
Samarai, Papua New Guinea
- Average rainfall in January:
132mm - Average rainfall in February:
109mm - Average rainfall in March:
163mm - Average rainfall in April:
95mm - Average rainfall in May:
109mm - Average rainfall in June:
116mm
The wettest month (with the highest rainfall) is March (163mm).
The driest month (with the least rainfall) is September (66mm).
Average rainfall days
Samarai, Papua New Guinea
- Average rainfall days in January:
23.1 days - Average rainfall days in February:
19.4 days - Average rainfall days in March:
21.3 days - Average rainfall days in April:
20.8 days - Average rainfall days in May:
22.8 days - Average rainfall days in June:
21 days
- Average rainfall days in July:
19.3 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
18.6 days - Average rainfall days in December:
20.2 days
The month with the highest number of rainy days is January (23.1 days).
The month with the least rainy days is August (15.4 days).
Average sea temperature
Samarai, Papua New Guinea
The best month for swimming (with the highest average sea temperature) is January (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.9°C).
Average daylight / Average sunshine
Samarai, Papua New Guinea
- Average daylight in January:
12h and 42min - Average daylight in February:
12h and 24min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 54min - Average daylight in May:
11h and 36min - Average daylight in June:
11h and 30min
- Average daylight in July:
11h and 36min - Average daylight in August:
11h and 48min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 18min - Average daylight in November:
12h and 36min - Average daylight in December:
12h and 42min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in January:
10h and 0min - Average sunshine in February:
9h and 6min - Average sunshine in March:
8h and 0min - Average sunshine in April:
6h and 48min - Average sunshine in May:
6h and 0min - Average sunshine in June:
5h and 36min
- Average sunshine in July:
5h and 30min - Average sunshine in August:
5h and 48min - Average sunshine in September:
7h and 30min - Average sunshine in October:
8h and 12min - Average sunshine in November:
9h and 42min - Average sunshine in December:
10h and 48min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).
Average sunshine days
Samarai, Papua New Guinea
- Average sunshine days in January:
6.9 days - Average sunshine days in February:
7.4 days - Average sunshine days in March:
7.5 days - Average sunshine days in April:
7.3 days - Average sunshine days in May:
5.9 days - Average sunshine days in June:
6.4 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
10 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (11.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index
Samarai, Papua New Guinea
The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 6).
Average cloud cover
Samarai, Papua New Guinea
The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility
Samarai, Papua New Guinea
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).
