Climate and monthly weather forecastSimbai, Papua New Guinea
Climate and monthly weather forecast
The climate of Simbai
Simbai, located in Papua New Guinea, basks all year-round in a tropical rainforest climate, classified as Af under the Köppen-Geiger climate categorization system. This prevailing climatic condition spawns consistent temperatures throughout the year, with insignificant variations monthly. The typical monthly highs barely fluctuate and stay within the narrow range of 20.3°C (68.5°F) and 21.4°C (70.5°F). Similarly, the lower temperatures average from 12.2°C (54°F), marked as the lowest, to 13.8°C (56.8°F) as the peak low.A notable trait of the weather in Simbai is the consistently high humidity, predominantly staying within the 88% to 92% range throughout the year. This saturation level orchestrates an environment of dense air that might feel heavy to first-time visitors but is typical of tropical rainforest climates. Rainfall is another constant component of Simbai's climate, with monthly averages something between 177mm (6.97") during the drier month of June up to a significant 429mm (16.89") in March, the heaviest rain month. Daylight hours have a minimal monthly variation and average around 12 hours.
The best time to visit Simbai
Identifying the "best" time to visit Simbai is largely subjective, highly reliant on the visitor's tolerance of moisture and preference for temperature. For those favoring warmer temperatures and lower rainfall, the months of May to August might be preferential. During these months, the maximum average temperature reaches up to 21.1°C (70°F), with lower rainfall averages oscillating from 177mm (6.97") to 219mm (8.62"). Furthermore, these months also exhibit the highest amount of sunshine, ranging from 7.1 hours to 7.4 hours daily, providing a good opportunity to explore the outdoors.The worst time to visit Simbai
Subjectively, the months of February and March could be considered unfavorable for a visit if one desires to avoid heavy rainfall. These months experience the highest rainfall averages, soaring between 377mm (14.84") for February and peaking at 429mm (16.89") in March. Along with the rain, these months also register the lower amount of sunshine, just under six hours daily on average. Hence, outdoor excursions might be hampered due to the inclement weather those months typically bring.Spring weather in Simbai
In a tropical rainforest climatic region, traditional spring weather is not distinct. However, the months of March to May in Simbai have temperatures ranging from 20.3°C (68.5°F) to 21.1°C (70°F) for the highs, and 13.6°C (56.5°F) to 13.3°C (55.9°F) for the lows. Rainfall is quite heavy in March with 429mm (16.89") but decreases significantly by May, reaching 233mm (9.17").Summer weather in Simbai
The "summer" period, spanning from June to August, sees temperatures that are mostly consistent, from 20.7°C (69.3°F) to 20.8°C (69.4°F) for the highs and from 13°C (55.4°F) to 12.2°C (54°F) for the lows. Rainfall also lessens during these months, with averages oscillating from 177mm (6.97") to 219mm (8.62"). The sunshine also enhances to between 7.1 hours to 7.4 hours per day, making these months a comparatively better window to visit.Autumn weather in Simbai
Representative of the "autumn" season, the September-November period in Simbai averages high temperatures between 20.7°C (69.3°F) to 21.2°C (70.2°F) and low temperatures from 12.3°C (54.1°F) to 13.5°C (56.3°F). Rainfall, during these months, experiences a gradual increase from 231mm (9.09") in September to 322mm (12.68") in November. Sunshine averages remain fairly constant and range between 7.4 hours and 8.2 hours per day.Winter weather in Simbai
The "winter" months of December to February maintain temperatures from 20.5°C (68.9°F) to 21°C (69.8°F) for the highs and 13.4°C (56.1°F) to 13.7°C (56.7°F) for the lows. Rainfall peaks during these months, averaging from 374mm (14.72") in December to 382mm (15.04") in January and the highest average of 429mm (16.89") in February. Despite the rainfall hike, sunshine averages do not drastically fall, ranging between 6 hours and 6.1 hours per day.Weather in January
January in Simbai, Papua New Guinea, commences with a noticeable influence of the rainy season, as the weather becomes increasingly influenced by wet conditions. High humidity levels, coupled with regular rainy days, dominate this month. Weather in January »Weather in February
The weather in Simbai continues to exhibit similar characteristics to January in February. The prevalent wet condition persists, with frequent rainfall and high relative humidity. February's cloud cover remains roughly unchanged, subtly overshadowing the daily sunshine hours. Weather in February »Weather in March
March ushers in conditions that mimic the previous months, with the weather being a balanced mix of pleasant temperatures and significant rainfall. The city faces the peak of the rainy season in March, with rainfall scaling to 429mm (16.89"), the highest in the year. Weather in March »Weather in April
Simbai enters April with a slightly relaxed weather profile compared to the preceding months. Tides begin to turn as the rainy season reaches its twilight, signaling a reduction in the amount of rainfall received. Correspondingly, April also faces a reduction in the number of rainy days. Weather in April »Weather in May
The month of May showcases Simbai transitioning into drier weather conditions. Decreased rainfall and reduced humidity offer a marked departure from the previous months’ wet environment. The town basks in increased sunshine hours as cloud cover reduces noticeably, giving more clear skies. Weather in May »Weather in June
June in Simbai, Papua New Guinea, points to the last strains of the rainy season, with rainfall dropping significantly. An increase in sunshine hours and a near-absence of rainy days dictate the weather in this month. Regular wind patterns and steady atmospheric pressure contribute to an overall dry cycle in June. Weather in June »Weather in July
As July rolls in, a shift in Simbai's weather is evident. The settling dust of the rainy season finally gives way to clearer, drier conditions. Frequency of rainy days further reduces compared to June, indicating a retreat of the rainy season. Weather in July »Weather in August
August marks the deep-dive into the mild, drier environment in Simbai. The drop in rainfall results in fewer rainy days, providing an inviting climate for outdoor activities. A decline in cloud cover allows for more sunshine hours, illuminating the scenic beauty of the city. Weather in August »Weather in September
September in Simbai continues the cycle of dry days, although a slight upward nudge in rainfall finds its place. The town enjoys extended sunshine hours, with average hours aligning closely with August. The temperature variation remains minimal, making September an optimum period for tourists. Weather in September »Weather in October
October brings about a gradual return to wetter conditions in Simbai. Rainfall begins an upward climb, though it does not yet reach the heights of the rainy season months. Cloud cover intensifies, in tandem with the increasing precipitation, reducing the amount of daylight available. Weather in October »Weather in November
November signifies the onset of wetter conditions in Papua New Guinea. The tides turn as rainfall shows a marked increase from October. The increase in cloud cover translates into lower sunshine hours, bringing about relatively darker days. Weather in November »Weather in December
December marks the full return of the rainy season in Simbai, Papua New Guinea, as it registers a rainfall of 374mm (14.72"). The relative humidity attains its peak value of the year at 91%, owing to the increased rainfall. The wind speed continues to stay subtly muted, contributing to the overall moisted atmosphere. Weather in December »Updated: Feb 5, 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
Throughout the year, in Simbai, there are 357.2 rainfall days, and 3581mm (140.98") of precipitation is accumulated.
January, March, June through August, October and December, with an average maximum UV index of 4, are months with the lowest UV index in Simbai, Papua New Guinea.
The months with the highest UV index are February, April, May, September and November, with an average maximum UV index of 5.
Simbai's average lowest temperatures are recorded in March and July, reaching a high of 20.3°C (68.5°F).
The months with the highest humidity are March and April, with an average relative humidity of 92%.
March is the month with the most rainfall in Simbai, Papua New Guinea. Rain falls for 30.9 days and accumulates 429mm (16.89") of precipitation.
March has the least sunshine of the year in Simbai, with an average of 5.9h of sunshine.
June is the month with the least rainfall in Simbai. Rain falls for 28.9 days and accumulates 177mm (6.97") of precipitation.
With an average of 11h and 48min of daylight, June has the shortest days of the year in Simbai, Papua New Guinea.
August and September, with an average relative humidity of 88%, are the least humid months in Simbai.
In Simbai, the peak average temperatures are observed in October, with a high of 21.4°C (70.5°F) and a low of 12.5°C (54.5°F).
The month with the most sunshine in Simbai, Papua New Guinea, is November, with an average of 8.2h of sunshine.
December has the longest days of the year, with an average of 12h and 24min of daylight.
Simbai does not utilize Daylight Saving Time (DST). +10 timezone is used over the entire year.
Average temperature
Simbai, Papua New Guinea
The warmest month (with the highest average high temperature) is October (21.4°C).
The months with the lowest average high temperature are March and July (20.3°C).
The month with the highest average low temperature is April (13.8°C).
The coldest month (with the lowest average low temperature) is August (12.2°C).
Average pressure
Simbai, Papua New Guinea
- Average pressure in January:
1010.5mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1011.2mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1012.5mbar - Average pressure in August:
1012.9mbar - Average pressure in September:
1012.7mbar - Average pressure in October:
1012.3mbar - Average pressure in November:
1011.1mbar - Average pressure in December:
1010.3mbar
The month with the highest atmospheric pressure is August (1012.9mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).
Average wind speed
Simbai, Papua New Guinea
- Average wind speed in January:
3km/h - Average wind speed in February:
2.8km/h - Average wind speed in March:
2.7km/h - Average wind speed in April:
2.8km/h - Average wind speed in May:
2.9km/h - Average wind speed in June:
3km/h
- Average wind speed in July:
3.2km/h - Average wind speed in August:
3.2km/h - Average wind speed in September:
3.1km/h - Average wind speed in October:
3.1km/h - Average wind speed in November:
2.8km/h - Average wind speed in December:
2.8km/h
The windiest months (with the highest average wind speed) are July and August (3.2km/h).
The calmest month (with the lowest average wind speed) is March (2.7km/h).
Average humidity
Simbai, Papua New Guinea
The months with the highest relative humidity are March and April (92%).
The months with the lowest relative humidity are August and September (88%).
Average rainfall
Simbai, Papua New Guinea
- Average rainfall in January:
382mm - Average rainfall in February:
377mm - Average rainfall in March:
429mm - Average rainfall in April:
363mm - Average rainfall in May:
233mm - Average rainfall in June:
177mm
- Average rainfall in July:
190mm - Average rainfall in August:
219mm - Average rainfall in September:
231mm - Average rainfall in October:
284mm - Average rainfall in November:
322mm - Average rainfall in December:
374mm
The wettest month (with the highest rainfall) is March (429mm).
The driest month (with the least rainfall) is June (177mm).
Average rainfall days
Simbai, Papua New Guinea
- Average rainfall days in January:
30.7 days - Average rainfall days in February:
28.1 days - Average rainfall days in March:
30.9 days - Average rainfall days in April:
29.6 days - Average rainfall days in May:
30.2 days - Average rainfall days in June:
28.9 days
- Average rainfall days in July:
29.6 days - Average rainfall days in August:
29.8 days - Average rainfall days in September:
28.8 days - Average rainfall days in October:
30.4 days - Average rainfall days in November:
29.7 days - Average rainfall days in December:
30.5 days
The month with the highest number of rainy days is March (30.9 days).
The month with the least rainy days is February (28.1 days).
Average daylight / Average sunshine
Simbai, Papua New Guinea
- Average daylight in January:
12h and 24min - Average daylight in February:
12h and 18min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 54min - Average daylight in June:
11h and 48min
- Average daylight in July:
11h and 48min - Average daylight in August:
11h and 54min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 24min - Average daylight in December:
12h and 24min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
6h and 6min - Average sunshine in March:
5h and 54min - Average sunshine in April:
6h and 0min - Average sunshine in May:
6h and 54min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 6min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 24min - Average sunshine in October:
7h and 30min - Average sunshine in November:
8h and 12min - Average sunshine in December:
6h and 30min
The month with the most sunshine is November (Average sunshine: 8h and 12min).
The month with the least sunshine is March (Average sunshine: 5h and 54min).
Average sunshine days
Simbai, Papua New Guinea
- Average sunshine days in January:
0.2 days - Average sunshine days in February:
0.1 days - Average sunshine days in March:
0 days - Average sunshine days in April:
0.1 days - Average sunshine days in May:
0.6 days - Average sunshine days in June:
0.8 days
- Average sunshine days in July:
0.9 days - Average sunshine days in August:
0.8 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
0.3 days - Average sunshine days in November:
0.3 days - Average sunshine days in December:
0.3 days
The month with the most sunshine days is July (0.9 days).
The month with the least sunshine days is March (0 days).
Average UV index
Simbai, Papua New Guinea
The months with the highest UV index are February, April, May, September and November (UV index 5).
The months with the lowest UV index are January, March, June, July, August, October and December (UV index 4).
Average cloud cover
Simbai, Papua New Guinea
The months with the most cloud cover are March and April (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 57).
Average visibility
Simbai, Papua New Guinea
The months with the highest visibility are June, July, August, September and October (7km).
The months with the lowest visibility are January, February, March, April, May, November and December (6km).
