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April Weather in Costiui, Romania

Last updated: August 27, 2025

In April, the average temperature in Costiui, Romania hovers around 8°C (46°F). Be prepared for a range of temperatures, with a minimum of -6°C (22°F) and a maximum soaring to 26°C (78°F). Expect a total precipitation of 67 mm (2.7 in) spread over about 10 days, and a fairly high average humidity of 79%.

April Temperature in Costiui

In April in Costiui, the average temperature is 8°C (46°F). The maximum can reach 26°C (78°F), while the minimum can be as low as -6°C (22°F). Pack accordingly to enjoy a range of temperatures while exploring this destination.

April Weather in Costiui: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Costiui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costiui, April typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (78°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec253036465463636556473931
Data source: Temperature data for Costiui generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Costiui

In Costiui in April, the precipitation amount is 67 mm (2.7 in) over a span of 10 days.

April Precipitation Trends in Costiui

The chart displays monthly precipitation patterns in Costiui, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Costiui, April typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec75110856815213012983908869123
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Costiui

In Costiui in April humidity is 79%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit less enjoyable and leading travelers to seek cozy, warm spots to regain their comfort.

April Average Humidity in Costiui

This chart illustrates the average monthly humidity levels in Costiui, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Costiui is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Costiui

In Costiui in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Costiui, you can refer to this Hourly UV Index in Costiui.

Maximum UV Index Levels in Costiui for April

The chart shows the monthly maximum UV Index (UVI) for Costiui in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Costiui typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Costiui April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Costiui Compares to Other Months

Weather in Costiui varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Costiui, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Costiui, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)75 mm (3.0 inches)93%low
February Weather-1°C (30°F)110 mm (4.3 inches)88%moderate
March Weather2°C (36°F)85 mm (3.4 inches)86%moderate
April Weather8°C (46°F)67 mm (2.7 inches)79%high
May Weather12°C (54°F)152 mm (6.0 inches)71%very high
June Weather17°C (63°F)130 mm (5.1 inches)71%very high
July Weather17°C (64°F)129 mm (5.1 inches)64%very high
August Weather18°C (65°F)82 mm (3.2 inches)55%very high
September Weather13°C (56°F)90 mm (3.5 inches)64%high
October Weather8°C (47°F)88 mm (3.4 inches)83%moderate
November Weather4°C (40°F)69 mm (2.7 inches)91%low
December Weather0°C (31°F)123 mm (4.8 inches)92%low

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