"moderate rain" is correct and can be used in any written English that you need.
For example, "The forecast predicts moderate rain for the next week."
The conditions were tougher than the match; they played through light to moderate rain and covered up with towels on the changeovers to stay warm.
Without trees, even moderate rain brings a deluge of soil and rock down on its towns; without trees, there is nothing to hold the soil together for agriculture.
They returned to their homes on Tuesday in drizzly weather after only moderate rain and no major flooding throughout the night.
Jason Varitek drove in three runs with a single and a double despite a moderate rain that fell for most of the game.
Here's what a range of different weather sites predict: A high of 18C (64F), with light rain from 6am, moderate rain from 4pm, and sunny spells from 7pm (BBC Weather/Met Office).
The National Weather Service predicted below-average temperatures and light to moderate rain through the weekend, with even a dusting of snow in the San Bernardino Mountains above 5,000 feet.
Koppu had weakened into a low pressure area on Thursday, bringing moderate rains over the outlying Batanes islands in the far north of the Philippines, state weather forecaster Gener Quitlong told AFP.
In Mexico, Helene brought moderate rains to areas previously affected by Hurricane Ernesto.
Baja California received moderate rains from Hurricane Ivo in mid-September, though no damage nor fatalities were reported.
Other parts of the United States received high to moderate rains while the aforementioned region received low amounts.
Throughout the Top End region, the precursor to Helen resulted in a prolonged period of moderate rains over a relatively large area.
